Answer:
to prevent European forces on the soil of Americas.
Explanation:
Since the 19th Century and Monroe's doctrine, United States tried to prevent European countries to interfere in the internal conflicts and problems on the American continent. Roosevelt believed that United States are the ones that have the obligation to prevent conflicts and to create a peaceful environment especially in the region of the Caribbean. United States in that sense behaved like a police that will prevent problems.
Answer:
Immigration increased child labor,
Explanation: This happened because of the poor immigrant families needing any money they could get, thus sending themselves and their kids off to new jobs.
Answer: The Senate. Hope this helps!