What did president james polk use as grounds for declaring war against mexico?

a. annexation of texas by mexico

b. declaration of the border by mexico.

c. a mexican attack on american forces

d. mexico's nonpayment debts

answer; i believe that the correct answer is (tobacco);

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.