Based on the article, which best replaces the question mark in the box above?
Earhart came in third in a women's aviation race from California to Ohio.
Earhart and Fred Noonan landed at New Guinea, north of Australia.
Earhart worked as a nurse's helper during World War I.
Earhart flew 14,000 feet above the ground, setting a new altitude record for female
pilots.

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.

the answer is

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.