Answer: One of the hardships they faced was that the ranchos were often a day's travel from each other, so loneliness was a big problem.
The statement which makes the oil history incorrect among the choices is the second statement which is "Oil has been pumped and used in small amount since the Middle Ages". This is not true, many oils industries pump billions of tons of oil and support a lot of consumers in their region. It was the Nobel brothers who contributed a lot in discovering oils and John D. Rockefeller is one of the guys who became very rich because of oil businesses.
Answer:
Technology is very needed in cold war. For example spy plane and nuclear.If nuclear doesn't exist, maybe the cuba would be invaded by the USA, and if spy tech doesn't exist, maybe the cold war would be a full blown war, between Nato and Warsaw Pact in Europe (WW3)
Answer: I got it wrong, so I don't want anyone else to go off of my answer.
:(
Explanation:
I'm sorry.