What was one effect of the interstate highway act of 1957?
the emergence of the car as america’s main mode of transportation
the creation of speed limits as a result of increased highway accidents
the sluggish development of the airplane industry
an increase in the populations of midwestern and western cities
fewer jobs because the railroads lost business

an increase in the populations of midwestern and western cities

Explanation:

The construction of the Interstate Highway Network was authorized by the Federal Aid Highway Act of 1956, popularly known as the Interstate and Defense Highways Act of 1956.

It was a petition of the largest automobile manufacturers in the United States and promoted by President Dwight D. Eisenhower - influenced by his experiences as a young soldier crossing the United States in 1919 following the route of the Lincoln Highway and the knowledge of the motorway network German (Autobahnen) during World War II - as a necessary component of a national defense system. This would make possible a better displacement by land of troops and military supplies.

native americans

american indians have appeared on many u.s. coins including the buffalo nickel

benjamin franklin learned a lot about democracy by observing the iroquois indian

the term "indian" originated with christopher columbus. he thought that he had reached the east indies when he landed in america and therefore named the inhabitants indians.

camping

camping can relieve stress and depression

your campfire may be a hazard

long-term campsites include permanent and semi-permanent setups and can lead to closer relationships with neighboring campers

buffalo

buffalo are herbivores and feed on about 60 pounds of plant material and grasses a day.

buffalo are considered to be an adult when they reach 3 years old.

buffalo’s tail can be almost three feet long, and they use it to swap at pesky bugs.