For many years the Jews were a diaspora among the nations, and while some lived in Israel, not many did. But during the nineteenth century nationalism began to arise in Europe, and with it came the belief that every nation has its rightful homeland, and for the Jews this was Israel. Hence we get the political movement of Zionism, which went for restitution of the land from which the Jews had beeen expelled by the Romans. The trouble is that there were Palestinians in the land already. Who were they? A mixture of Muslims and Christians, they descend from a mixture of Samaritan and Jewish converts to Christianity, Arabs and others, including European crusaders. They have been there for centuries.
In 1917 the British foreign secretary Lord Balfour agreed in a letter to one of the Rothschild family that the Jews were entitled to a homeland, a statement known as the Balfour declaration, and the Rothschilds ran with this declaration. The horrific treatment of Jews in the Holocaust gave energy to the drive for a Jewish homeland, and by 1948, after some Jewish settlers in Israel had launched a militant campaign of violence to force their will, the state of Israel was born.
But Jerualem was split between the state of Israel, which held the West, and the Jordanians holding the East. However, during the Six Day war of 1967 the victorious Israelis took control of East Jerusalem and also the Jordanian territory west of the river Jordan, known as the West Bank, which was Palestinian territory and which the conquered Palestinians saw as the nucleus of their new state. The Palestinians want East Jerusalem as their own capital, but in 1980 Israel annexed East Jerusalem, though the United Nations opposed the annnexation, as it always opposes territorial land grabs. In 1993 Israeli- Palestinian negotiations in Oslo decided that a decision on the final status of Jerusalem was to be deferred.
The United States decided that despite its support of Israel the wisest option was to oppose the transfer of Israel's capital to Jersualem, so successive presidents kept the US embassy in Tel Aviv, so as to avoid annoying the Arabs in what is a political hotspot. Then along comes Donald Trump who authorizes the moving of the US embassy, with a de facto acceptance of the annexation. The rest of the world, even including the clueless crowd who run Britain, think this is a bad idea, because if there is any rule for dealing with the Middle East it is "Don't make matters worse;" and this move is likely to provoke animosity without solving any problems. Let's be clear, I am not an enemy of President Trump, for I thank him for his support of religious liberty, but I am concerned that he has erred in this decision.