The 16th amendment to the constitution.
B. Immigrants left Ellis Island within hours; they often remained in Angel Island for weeks.
Immigrants in Angel Island came from Asian countries, specifically, China, Japan, Russia, and South Asia. Upon arriving in Angel Island, they have to undergo medical examination and interrogation process.
The length of time an immigrant spend on Angel Island varies on the length of his or her interrogation process. Some immigrants produce false paperwork, which lengthened their interrogation process because the authenticity of said paperwork must be verified before they can be granted entry to the United States.
C. they were concerned that the united states would demand such action
Answer:
However, under United States constitutional law, executive agreements are not considered treaties for the purpose of the Treaty Clause of the United States Constitution, which requires the advice and consent of two-thirds of the Senate to qualify as a treaty.
Explanation:
The Constitution gives to the Senate the sole power to approve, by a two-thirds vote, treaties negotiated by the executive branch. The Senate does not ratify treaties.