Give four reasons why west Berlin was so much more prosperous than west Berlin​

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:

a countries leader should be motivated by the common good of the country.