The answer is A) they have exposed seeds which can be found and eaten quickly.
How Did Magna Carta Influence the U.S. Constitution? The 13th-century pact inspired the U.S. Founding Fathers as they wrote the documents that would shape the nation. The 13th-century pact inspired the U.S. Founding Fathers as they wrote the documents that would shape the nation.
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I believe the answer is Barbed Wire.
Befor the inventions of barbed wire, the Cattles are let to roam freely across the plains and the owners are required to pay a lot of cowboys to supervise them so they didn't go missing. Witht he invention of barbed wire, they can keep the cattle in a secure place without supervision.
Preserving a historic structure makes sound environmental conservation policy and practice. Maintaining the use of a building is the ultimate in recycling since no demolition waste is generated, no processing of materials is required, and no energy consumed.
So many men were ready to enlist because of what the war was about. In the South, men wanted to enlist so they could keep their slaves to do their work for them. In the North, men were ready to enlist because they thought slavery was wrong, as it was.