Which is a correctly written sentence, not a run-on?

a.
she said i could with dinner, and she had me chop onions.

b.
he planned on visiting grandma this sunday he has to go to work.

c.
she packed her suitcase full of clothes and books, she couldn't even lift it.

d.
he hit the ball over the net, the ball went out of bounds.

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.

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.