5. Why was placer mining the most widely used method of mining for gold? Placer mining was affordable to a large number of prospectors.
Placer mining required cooperation between miners and traders.
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Placer mining was practiced by both Chinese and Native American miners.
Placer mining gave miners the best chance of striking it rich.

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

our former president bush did 9/11

i am not 100   percent sure but i do know that hitler was burned to death with gas so that makes me think it is d. because they were under his control if they fail or not do as told they will be killed but i could be wrong hope this