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hippyjoe1955 England's "invasion" of Ireland was in the 17C and led by a Dutch ruler (William of Orange) who came to power in England basically by a coup. The island of Ireland was divided in the early-20C with six counties left as Ulster, inhabited by people of whom the majority wanted to stay British, the rest as the independent Republic of Ireland. The "Troubles" were a fight between Republican and so-called "Loyalist" factions, had a strong religious element, and the British Army went in after serious attacks by protestant "para-military" gangs on a catholic area of Belfast. The "paramilitaries" on both sides, were utterly ruthless, cruel people who would murder anyone in cold-blood.
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Russia invaded Ukraine, a country recognised as independent by a treaty between Russia, Ukraine, the USA and UK - but that never satisfied Vladimir Putin. It is HIS war entirely, as a former KGB career officer who resents the loss of the USSR. HE is the bully, and a liar and coward even within his own country where all media are strictly controlled and any dissent ruthlessly suppressed on his orders.
The USA had no logical reason to fight the Russian Federation, and is not trying to do so; but once Putin ordered his invasion, some years after having stolen Crimea, what else could the US, UK and most of Europe do but help Ukraine stand up for herself? If Putin wins HIS war, who is next? Moldova? The Baltic States? Finland? Poland? Former USSR countries along the South of Russia?
A small news item recently may have escaped many people's attention. Russia has a brand-new, very Soviet-style, bas-relief statue worshipping Josef Stalin. It seems someone in the Russian Federation's government has suggested to President Putin that the USSR might not have been fully dissolved thanks to a legal technicality... How true that is, perhaps just the opinion of an officer trying to curry favour with Putin, is open to question but we can only hope it is just a matter of the president's vanity.
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I agree to a point about Israel. What exists now is a modern state carved out of Palestine by the UN (or its League of Nations predecessor) partly perhaps out of guilt for Nazi Germany; but the Arabs were not consulted and their understandable resentment has festered since; encouraging the rise of groups like the PLO and now Hamas.
The Isrealis themselves, or rather, hard-line nationalist factions of them, are their own worst enemies. They must have know how provocative but also pointless and foolish it would be to transfer their capital to Jerusalem (a city holy to all three Abrahmic religions), encouraged by a US President Trump in his first go at the job. And that the steady take-over of Palestinian land by "settlers" is neither ethical nor legal. Yes, I know they claim the land is theirs by Gift of God but anyone can say that, including the Palestinians; and historically their ancestral rights to the region are probably the higher.
I would agree that the hard-liners in Israel have considerable support from the USA (as did the IRA in Ireland), so the the Arabs can be excused for feeling America is against them. I have noticed in radio news interviews that many Israelis as they claim to be, have strong American accents, making me wonder their own backgrounds.
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The fighting in Yemen was originally a civil war but the Houthis are backed and armed by Iran, a very dangerous nation bolstered partly by religious sectarianism across the region. The USA and UK stepped in to try to defend third-party ships the Houthis decided legitimate targets (imagining any ship approaching the Suez Canal must be helping Israel); but Saudi Arabia and Iran were already involved, using the internal fighting as a proxy scrap between themselves.
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The USA is certainly no angel and did spend much of the last half of the Twentieth Century trying to run the world - in dangerous competition with the USSR - but she cannot blamed for all wars, nor be accused wrongly.
In Ireland, she was merely interfering to suit her own (US) politics. Remember it was your own country, Canada, who brokered the eventual peace deal.
Where the USA goes now is anyone's guess, with that competition to be the World's Top Dog now moving to USA v. People's Republic of China.