Name one thing that contributes to the fall of most empires?

that is because lower interest rates allowed people to work harder to make money. it multiplied like that and now the uno(not the game) is very strong.

i like trains

answer; i believe the two groups were irish immigrants and chinese immigrants;

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

this is a good question! i'll do some research and come back when i have the answer!