How does Michio Kaku establish the nineteenth and twentieth centuries as an “Age of Discovery” in “Choreographers of Matter, Life, and Intelligence”?
by describing the government support offered to scientists of the time
by offering quantitative proof of people’s improved health and lifespans
by highlighting the social and religious developments of the era
by listing the significant scientific developments of the era

not too sure on this one thinking tyo organize the division of africa

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

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.