A factor that led to the growth of the factory system in the United States was the development of new power sources, it's true.
Answer:
The concept of the "suburbs" was built up by Levitt and Sons, and this concept had become extremely successful, as over 85% of new homes within the United States are in suburban areas- and is has become a staple of American culture.
..Well, you might want to cut out the "staple of American culture" part. That's just me talking out my butt.
Answer:
c
Explanation:
President Theodore Roosevelt's foreign policy: "speak softly and carry a big stick; you will go far."
Answer: The Mayans took religious practices from the Olmecs before them.
Explanation: I got the answer correct.