Answer : the answer is look into a book
I think the answer is "In 1867, the United States bought Alaska from Russia for $7 million". When you ask the question "when" the question is asking about time. In this excerpt, when is answered by "in 1987". while the sentence supported it is the event that happened during that time, which is " The US bought Alaska from Russia for $7 million.
Some colleges require that each potential student completes an essay.
Subjunctive mood is defined as the verb form used to express a wish, a suggestion, a command, or a condition contrary to fact.
To convert the above sentence into a subjunctive mood, REPLACE REQUIRE WITH PROPOSE.
Some colleges propose that each potential student completes an essay.
In this case, propose means a suggestion.
