Answer:
the resignation of a president.
a president dying of natural causes while in office.
a president deciding not to run for a second term.
a president being voted out of office.
the assassination of a president.
Explanation:
Answer:
Sending things like weapons, medical supplies and important things like metal so that tanks could be produced for use on the frontline.
Explanation:
I'm not entirely sure but i think it was The Great Depression.
The Song Dynasty was first civilization in the world to use banknotes, aka paper money. They also were the first to use gunpowder, and the first to make a permanent navy. They were also the first to discern the North using a true compass. They had many, many firsts, which helped develop the world into how it is today.
Sorry, that this is only one half of your answer. But, I hope this still helps.
