Railroads increased United States settlement and built up United States commerce
Answer:
Science, technology, and knowledge aided in transoceanic travel by allowing for safer travel to take place. When advances in cartography began to spike, travel was allowed to have a purpose. Travelers didn't have to hope that they were going the right way, or have to wonder if the land that they had reached was where they wanted to go. Maps were able to help travelers to easily navigate their way to lands where they could make trades and profit. The more that people studied cartography and science in the form of geography, wind, and the current of the water study, the more knowledge was provided to those who were going on journeys to trade with other countries across that large ocean that separated them.
Explanation:
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Abraham was the father of Judaism
James K Polk is one of the historical figures that is really hard to judge by modern standards.
He was a forceful man with strongly held beliefs. He was the last in the line of "Jacksonian Presidents" with all of the baggage that came along with that.
Ultimately, he was a strong war time President. His single term in office led to the short lived Presidency of Zachary Taylor, who was significantly less informed and forceful than Polk. After Polk, the issue of slavery really came to the forefront. Polk was either responsible for delaying the prominence of this issue or just got lucky. It is likely that history would look much differently if Polk had a second term and continued his aggressive posture towards America's future.
I'd say he was a good President, for his time, who strongly acted on the economy and in regards to Mexico but whose record looks abysmal by modern standards and values.
