"A writer writes to express strong feeling or emotion"
Explanation:
The best way to complete this statement would be the following, "A writer writes to express strong feeling or emotion". This is the only correct version for this statement that you can make by adding one of the two options listed in the question. Any other way would be grammatically incorrect and thus should not be used.
The Proclamation of 1763 limited the colonies from expanding west of the Appalachian Mountains. King George III of Britain proclaimed that all lands west of the Appalachian Mountain Region were uninhabitable for colonial settlers and reserved for Indigenous Americans.