I'm pretty certain this is a. and btw this is an English question
Thanks I guess (: have a great day
Answer:
If we are talking about the Steel plow then it is because they could cut furrows in thick sticky Midwest soil
Answer:
Rolling Thunder was the codename for an American bombing campaign during the Vietnam War. U.S. military aircraft attacked targets throughout North Vietnam from March 1965 to October 1968. This massive bombardment was intended to put military pressure on North Vietnam’s communist leaders and reduce their capacity to wage war against the U.S.-supported government of South Vietnam. Operation Rolling Thunder marked the first sustained American assault on North Vietnamese territory and represented a major expansion of U.S. involvement in the Vietnam War.
Explanation:
Answer:
Hernando de Soto was a Spanish explorer and conquistador who participated in the conquests of Central America and Peru and discovered the Mississippi River.
I can't answer your second question since I know nothing about it, my apologies, but I hope that this will help answer about Hernando de Soto.