3. Which of the following best describes the railroad's primary contribution to economic development in the United States?
A Reduced the protective tariff on foreign goods
O B Enabled trade to most parts of the country
C Allowed more immigrants to enter the country
D Lowered shipping costs to the United States

Which statement best explains why a supreme court opinion is a seminal document? an opinion can become quite lengthy, which makes it a seminal document. supreme court documents are the only seminal documents in the united states. an opinion may create major changes in the laws or policies of the united states. generally speaking, a supreme court opinion reflects the feelings of all americans.

What was the underlying cause of the cold war?

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another? focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery? question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.