Answer:
Explanation:
Towns began to develop along river valleys, where water was available. There were some important reasons for this. The land along the rivers is fertile. ... Rivers, lakes, and seas began to be used for transportation.
Specialized union. We need people with different set of skills like some people be trained in electrical and others in plumbing
Answer:
I cannot see any answers you have but I can give you a brief summary. After ww1 Germany was embarrassed, out of money, and mad as they lost the war they lost leaders to so they had nobody to lead them and Hitler saw his opportunity to take control of Germany when they most needed a strong leader.
B) because construction on the U.S. transcontinental railroad began in the mid 19th century
