i am giving brainlyest for whoever answers all these questions!
What was the goal of the Pacific Railway Act in 1862?

a. Pay for a railroad connecting the East with the West
b. Lower the fares on train travel
c. Protect train passengers from attacks by bandits
d. Allow for safer travel along the Pacific coast

Which major waterway built in the 1800s gave people along the Great Lakes access to the Atlantic Ocean?

a.Chesapeake Bay
b.Erie Canal
c.Niagara River
d. Welland Canal

Which technological advancement made the Pony Express unnecessary?

a. Steamships
b. Cotton Gin
c.Telegraph
d. Steel Plow

How did the cotton gin affect plantation owners?

a.Could process more cotton and make more money
b. Could pick cotton more quickly
c. Decreased their sales of cotton across the country
d. Sped up their weaving process to make more cloth

Why did farmers start building barbed wire fences on their farms in the Great Plains?

a. Cattlemen let their cattle roam onto the farms, trampling crops.
b. Foxes entered their properties hunting chickens.
c. Roaming peddlers sometimes camped on their fields.
d. Some farmers got into large disputes about the borders of their properties.

Which type of transportation was used on inland waters to transport crops, goods, and people and moved along using long poles?

a. Canoes
b. Flatboats
c.Steamships
d.Trains

What system is based on the supply and demand of goods to make a profit?

a. Farming inventions
b. Market economy
c. Bartering system
d.Triangular Trade


How did Samuel Morse's invention affect communication in the country?

a.Allowed messages to be sent in seconds over long distances
b. Blocked people's ability to send messages east and west
c. Delivered messages to the wrong people
d.Slowed the delivery of messages over long distances


How did the railroad change travel for people in the country?

a. Families could not travel together
b. Increased the cost of travel
c. Made travel less comfortable
d. Made trips to the West faster and safer

What is significant about Promontory Summit, Utah?

a. It is the beginning of the South Pass through the Rocky Mountains.
b. It is the end of the Transcontinental Railroad in the west.
c. It is where President Washington made his last speech.
d. It is where the last spike was driven to complete the Transcontinental Railroad.
please answer all the questions!