What role does the supreme court play in the federal judicial system?
o
a. it acts as the final authority on the constitutionality of state and
federal laws.
o
b. it appoints all other judges serving in the federal district and
appellate courts.
o
c. it determines whether a case should be heard in the state or
federal judicial systems.
d. it has original jurisdiction over most cases that reach federal
courts.

The Supreme Court of the United States is the highest court in the American judicial system, and has the power to decide appeals on all cases brought in federal court or those brought in state court but dealing with federal law.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

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.