How has federalism evolved over the years?

Explanation:

Federalism has evolved over the course of American history. At different points in time, the balance and boundaries between the national and state government have changed substantially. In the twentieth century, the role of the national government expanded dramatically, and it continues to expand in the twenty-first century.

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.