Answer:Thousands of Americans, primarily from slave states, flocked to Texas and quickly came to outnumber the Tejanos, the Mexican residents of the region. The soil and climate offered good opportunities to expand slavery and the cotton kingdom. Land was plentiful and offered at generous terms.
Explanation:
Its B i think...tons of mormons in Iowa...
Answer:
they perform man's job in the steel industry like the oilmines above ground , carpenter unloading docks , the clock around the calender etc .
It is B Population overcrowding Europe