Answer:
april 30 , 1975
Explanation:
viet cong forces captured south vietnamese capital of Saigon
Answer:
Watt invented a new way to make sure a steam engine turns things in circles, Watt also helped the Industrial Revolution. This then allowed steam engines to be used for something that was useful like pumping water out of the coal mines. Watt also contributed to Industrial Revolution by craeting a way steam power could be much more useful when used for driving machinery.
Explanation:
Quipus, it was a Inca invention for recording information
The internment camps where all over the US, but ,mostly to the west states. They were made to hold japanese americans, after the pearl harbor attack.
(very similar to concentration camps, but not meant to systematically kill Japanese people) hope this helped
