The answer to this question is b
The invention of the cotton gin.
During the cold war people were afraid of communist both outside and inside the united states . the red scare and mccarthyism that grew out of these fears damaged the american way of life . as a result many of the freedom of u.s citizens guaranteed in the bill of rights were limited . explain what lesson can be learned from the mccarthy era that can be used to protect the united states american way of life today
The fastest way to communicate across continents in the 1500s was by ship. If you wanted to bring a certain message across a continent than there was no faster way than actually sending it on a ship and waiting for the ship to arrive safely to the other continent.
