What is the principle in which the power of the federal government is shared by three branches?

separation of powers

explanation:

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem

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.