How was the U. S. involvement in these Cold War conflicts different than full scale invasions in wars like WWII?

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.

what are the choices btw if it was me id say the lack of money to continue with education