Name five major duties of american citizens

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:

c 3 branches because idk why they had 3 well when:

you think of it there are still contrys with 3