Galen, a Greek doctor in 2 BC. But William Harvey also found out i hope this helps
To allow the force of expanding gases from the gunpowder to act for a longer time
Answer: D. it was the largest pre-european empire in South America
Explanation:
The correct choices are a and d
The 1892 strike in Homestead, Pennsylvania, demonstrated the enormous power of large corporations and reflected the belief of many working Americans that they were being denied economic independence and self-governance.
The strike failed after the intervention of the military, and it meant the end of the Amalgamated Association of Iron and Steel Workers.
