Answer:
protecting the united states
Explanation:
this was the answer on edge.
He was a leader who worked for the wellfare of the masses
Japan never actually attacked (so: also never conquered) the parts very far away from it: it never attacked Eastern Europe (we reject option 1), nor did it attack Turkey (we reject option 3) and it did not attack India (we reject option 4).
the correct option is the remaining one: 2.
It is contribution or being kind and caring.