The correct answer is - pull factors.
The increased freedom and much more employment opportunities in the United States can be considered as pull factors. They can be considered as pull factors because they are big reasons why people from all around the world got attracted to the idea of migrating to the United States, as they saw a nice chance to prosper and have a better life. Most of the countries were still struggling with the freedom issues, and the employment opportunities were either very limited, or badly payed, so no wonder that pople wanted to move in the United States.
Answer: In the West, Americans found a lot of land to expand, new species of plants and animals, and access to the Pacific Ocean. Because of their access to the largest body of water on the planet, international trade was possible (but wouldn't begin for another 75 or so years, assuming that this is in the mid-1800s).
The link is here I could attach it
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Some things Andrew Jackson did to impact the economy in America is in 1833, Jackson retaliated against the bank by removing federal government placed money in state banks or as he said “pets.”As federal income from land sales fly, Andrew Jackson saw the time to fulfill his dream of paying off the national debt and make it possible which he did in early 1835.
Because during the world war a lot of workers were not happy the low pay.