Answer:
A. the assembly line
Explanation:
The assembly line was an invention by Henry Ford that aimed to reduce the time that a certain product, in this case a car was produced, this increased the productivity of his company and increased the profit, the assembly line is basically a moving line were different workers did a repetitive task for long periods of time, putting thousands of bolts a day while other tightens them, and other worker puts the tires, or another part of the car.
There is many reason, one way they could've been worried about is if the
new settlers would make war or take their land and food.
Another way is that they could've cause the Mexican to come of their land.
Hope it helped
<span>
<span /></span>
Answer:
I’m pretty sure it’s D.
Explanation: