B. Herding was important in the grasslands where the tough grass roots made farming difficult.
C. Farmers and herders helped each other by trading goods.
D. Early farmers invented a simple spade and hoe to make their work easier
Because door of world is open for all..
and so U.S entered WW1
Answer:
Advantages the helped the Americans win the Revolutionary War include: better leadership, foreign aid, knowledge of the land, and motivation
Explanation:
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Canada feared the invasion by the US from both the north and the south.
Answer: I belive it is Developed selective Service
Explanation: