Newton's universal law of gravitation was important because it could explain all thein the universe.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

the circumstances that justified roosevelt´s faith in george curry´s honesty, courage and loyalty were that he served under roosevelt´s rough riders during the spanish-american war and fought in the philippines.   in 1904 theodore roosevelt asked curry to accept an appointment as governor of isabela province (philippines); afterwards served in samar province(philippines) and upon returning to the united states he baecame governor of new mexico territory.