What was a major push factor that increased immigration to the united states between 1830 and 1850?
a. religious freedom
b. economic hardship
c. abundant land
d. factory employment

  The correct answer is :  b.  economic hardship

Explanation:   After the United States was an independent country, in many parts of the world, many people began to be mobilized towards this nation. Especially in the eighteenth century, too many European immigrants arrived in the United States with the promise of finding work and being very prosperous.

warfare was the primary means of cultural transmission in both regions.

i believe it was the shinto