False
They had been used before that. they were simply intergrated to the computer programming system after along period. the power symbol was developed in ww2.
I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.
Answer:
WW2 started on September 1, 1939 and ended on September 2, 1945. It started when Germany invaded Poland
Explanation:
Well, mercantilism is when the colony is only made to support the mother country. In this scenario, the mother country is Great Britain and they are benefiting off of the colonies in America. America doesn’t want to only benefit England, but they want to be independent. That was tension enough.