On May 7, 1915, a german submarine torpedoed and sank the Lusitania, a British cruiseliner which had 128 American citizens on board, as well as military goods. It was the first step to the US joining the war.
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Answer:
Economic expansion demanded cheap labor, access to or control of markets to sell or buy products, and natural resources such as precious metals and land
Explanation:
Yes.
A growing civilization needs to expand its territory to increase agriculture and influence.
The 4th one is false because the prarie grass could not be plowed the prarie was very rurual and disconected and the summers were very hot and the winters were very cold
