The statement that best explains why the transcontinental railrold took several years to build is digging through the mountains was very difficult, and the long winters hampered workers' ability to make progress. The foothills of Sierra Nevada, the winter snowtorms, shortage of reliable labor and increasing need for tunneling hampered the progress as they went higher in the mountains.
Answer:Nothing happens in a vacuum. Though Jacksonian Democracy occurred largely under the eye of Jackson during the presidency, it would not have been possible without the socioeconomic and social changes of the previous decade.
Explanation:
President Jimmy Carter based his foreign policy views on human rights. He ended decades of US foreign aid (political, military and monetary aid) to abusive US allies and was tough on other allies that abused human rights of their citizens. He felt our American policy should be based on our own moral values and should not change for foreign policy.
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