Answer:
The answer is C, Manifest Destiny
Explanation:
Manifest destiny was a widely held American imperialist cultural belief in the 19th-century United States that American settlers were destined to expand across North America.
Thats Is True And Yes Was The Eldest
Through the (D.) use of civil service based on merit. This opened the door to the people and leaders of the empire to help one another through kindheartedness and determination.
I'm pretty sure it's A even though those are all technically true. I would put A
