Which describes a major challenge facing the builders of the transcontinental railroad?

A.

bridging the Rio Grande River

B.

spanning the Grand Canyon

C.

tunneling under Lake Erie

D.

crossing the Sierra Nevada mountains

Will give brainliest! China has decentralized some aspects of the economy to allow more economic growth.

Which of the following is the final stage in a thunderstorm? A. heavy precipitation is released from the cloud B. surge of warm air causes the cloud to grow vertically C. warm, moist air is supplied to the clouds D.

Which of the following is a true statement related to changes in the American media? A. As the types of media increase, the information and opportunities for influencing politics increase. B.

What is theme of this story

Who landed the plane on the hudson river?

Ask the adults you live with how your family came to America

20. Which factor restricted the growth of labor unions during the late 1800's? a. Most employees were very hostile towards workers' efforts to organize. b. The Federal Government declared that unions were illegal. c.

What did a federal judge rule about Japanese relocation 40 years after the fact, in 1986?

As steel replaced iron, people also began looking for new fuels. Which of the following fuels became popular in the late nineteenth century? coal nuclear energy wood petroleum

How did the August Coup result in the collapse of the Soviet Union? A: It made the Soviet people reject the Communist Party. B: It discredited Mikhail Gorbachev. C: It forced Boris Yeltsin to resign from the Communist Party.