Answer:
Yes they are superheroes of avengers and sahooo
Roosevelt corollary is the answer!!!
Answer:
Ellis Island is a historical site that opened in 1892 as an immigration station, a purpose it served for more than 60 years until it closed in 1954. Located at the mouth of Hudson River between New York and New Jersey, Ellis Island saw millions of newly arrived immigrants pass through its doors
Explanation:
The answer to your question is,
B. Technology made manufacturing more efficient.
-Mabel <3
