The Agricultural Revolution is the name given to the drastic changes in the farming process that occurred in the 1600's onwards. The spread-out, shared farms, common under the "open-field system" of cultivation, turned into more compact, but larger, farms. The many problems associated with open fields; the overgrazing of animals, difficulty in reaching consensus for change, and single herds that had led to a spread of animal diseases and uncontrollable breeding breeding; had all become generally solved (Gernhard). Farmers had discovered a crop rotation system that allowed them to forgo leaving up to half the land unused or fallow between each planting.
Harriet Tubman is dead. She diet at 91 years old. She was born in 1922. That would make her 194 years old if she was still alive today.
The National War Labor Board was authorized in March 1918 for the purpose of preventing strikes that would disrupt production in war industries. The first appointments were made the next month. ... After the war, the work of the National War Labor Board was praised by progressives.
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Answer:
A
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