What was the main reason immigration from mexico to the united states increased between 1900 and 1950?

a. mexicans wanted to escape an oppressive government.
b. migrant workers arrived to work on farms and railroads.
c. migrant workers sought jobs in factories in urban areas.
d. mexicans wanted to create a new state in the united states.

B. Migrant workers arrived to work on farms and railroads

B is the answer goofy

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.