How could labor unions get better wages for southern workers? They could negotiate with the owners.
They could blackmail the owners.
They could bribe the owners.
They could threaten the workers to join the union or lose their job.

its a

Explanation:

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:

they usually pass federal laws

and sometimes in the elections of the president