Answer:
Delegates were chosen by each state's legislature. The Constitutional Convention in Philadelphia met to address the problems of the weak central government that existed under the Articles of Confederation (poor finances, states' power over federal, no army, etc.)
They had this feeling that they couldn’t understand how people could come across as being the nicest people and still be able to so unjust to others.
The Spanish American War
the Building of the Panama Canal
Intervention in China
Can you please explain what the question is?