Question

Pls help

1. Which of the following was one of the keys to America's late 19th century industrial success?
A. Shipping by sea
B. Westward expansion
C. The telegraph
D. Railroads
2. Which of the following natural resources helped support the production of the steel used for the America's railroads, machines, and cities?
A. Iron ore
B. Gold
C. Coal
D. Oil
3. What was perfected by Henry Ford to help produce the Model T quickly and relatively cheaply?
A. The assembly line
B. The combustion engine
C. The electric engine
D. The incandescent lightbulb
4. Who is credited with the invention of the incandescent light bulb?
A. Henry Ford
B. Alexander Graham Bell
C. Nikola Tesla
D. Thomas Edison

Answer 1

Answer: 1: railroad 2: coal 3: the assembly line 4: Thomas edison

Step-by-step explanation:

1: railroad

2 Coal: When the steam engine was developed, coal took the place of wood as the fuel source for steam engines and other machinery used in a variety of sectors, including the steel industry. Lumber: Used to power the steam engines that powered the new steam-powered machinery being developed, including those used on railways, steamboats, and in industry.

3: The assembly line: The adoption of the moving assembly line, according to Henry Ford, allowed for the work to be brought to the workers rather than the worker having to move to and around the car. The vehicle started to be hauled down the line and pieced together gradually.

4: Thomas Edison: