Who were the leaders for Christians during the first crusade?

north east because it has more forest

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.

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.