A presidential summit between North America and North Korea was held by the meeting of the two Presidents, Trump and Kim on 12/6/2018 in Singapore. They signed a joint document at the end of the summit.. How did the agreement take place so quickly? What are its contents and results?

There is an understanding that the people of Al-Fatra will be saved from the torment of the Day of Judgment, and they are those who were not sent a messenger, due to the saying of Allah (swt)...

I have a question about a partnership I entered with a man who has factories and supermarkets and I put in this company a sum of money to run it for me, but he has other partners who I have not seen, and they did not sit with me, except that the company owner told them that I put a sum of money with them.

We know that America is a state of institutions and that the outlines of America in international politics are governed by the institutions of governance in America, and not by the president. How do we explain that America ratified the nuclear agreement with Iran and considered it as a victory, and now Trump has withdrawn from it and considered it a victory?