During the early 1900s, most immigrants who arrived at Ellis Island were O detained for several days.
O released within hours.
O imprisoned for months.
O returned to their countries.

Released within hours

Explanation:

Despite the island's reputation as an "Island of Tears", the vast majority of immigrants were treated courteously and respectfully, and were free to begin their new lives in America after only a few short hours on Ellis Island. Only two percent of the arriving immigrants were excluded from entry.

Most Immigrants Arriving at Ellis Island in 1907 Were Processed in a Few Hours.

Explanation:

No passports or visas were needed to enter the United States through Ellis Island at this time

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.

c would be the correct !

hope this !

~bbgluver