Are the statements about the effects of railroads in the late 1800s true or false? The expansion of railways lowered the cost of shipping goods.

Railroad mileage increased in the West, reducing the effects of settlement on American Indians.

The building of the railroads changed the environment of the West.

The Transcontinental Railroad was completed before the Civil War ended.

What is the title of the head of thr department of defense?

Type the corect answer in the box.there were many causes of the enlightenment. however, a particular revolution played an important role in its development. this revolution was a result of discoveries made by scientists such as isaac newton and galileo galilei. they dug deep into the realms of science to discover new laws of physics and decipher the mysteries of the universe. the revolution refuted the claims of the catholic church about the position of earth in the solar system.this revolution is called what?

In harriet's country, the ten provincial states that make up the nation hold the majority of power, with a small central government handling foreign policy and trade. harriet lives under a government best described as which of the selections listed below? select one: a. parliamentary b. federal c. confederal d. unitary