Because the United States acquired the land from France as part of the Louisiana Purchase in 1803.
Answer:
Transcontinental Railroad workers
Mining
Farming
Explanation:
Transcontinental Railroad workers resulted in growth
Mining, copper, lead, tin, quartz, & zinc ultimately more profitable than gold or silver. Corporations gradually came to dominate mining
Farming, cattle raising, Land given away to encourage settlement of West and to develop the family farm.
Answer:
it depends because they had cash crops and during the summer is when they made their money