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.
I believe the answer is B
Answer:A
Explanation: Hope this helps
The correct answer to this open question is the following.
The Declaration of Independence provides a reason to revolt against Britain based on a promise that a new government will be able to secure the natural rights of its citizens. The government of the United States has done this to the extent that it has protected the American people since then in many different wars against Britain in the War of 1812, or the Mexican-American War, or the Spanish-American War.
During the 1900s, the United States government tried to maintain the foreign policy of neutrality in World War I and World War II, but different events and incidents forced President Woodrow Wilson and Franklin D. Roosevelt, respectively, to enter the international conflict in order to defend America from the threat of Germany.
The only questions left unanswered are regarding domestic politics such as racism, inequity, civil rights for minorities.