President Trump's decision to recognize Jerusalem as Israel's capital is a perfect response to President Obama's benighted decision to change American policy by engineering the United Nations Security Council Resolution declaring Judaism's holiest places in Jerusalem to be occupied territory and a "flagrant violation under international law." It was President Obama who changed the status quo and made peace more difficult, by handing the Palestinians enormous leverage in future negotiations and disincentivizing them from making a compromised peace.
It had long been American foreign policy to veto any one-sided Security Council resolutions that declared Judaism's holiest places to be illegally occupied. Obama's decision to change that policy was not based on American interests or in the interests of peace. It was done out of personal revenge against Prime Minister Netanyahu and an act of pique by the outgoing president.
It was also designed improperly to tie the hands of President-elect Trump. President Trump is doing the right thing by telling the United Nations that the United States now rejects the one-sided U.N. Security Council Resolution. https://www.gatestoneinstitute.org/