We've had 15 democratic presidents
Answer:
Chromosome abnormalities often happen due to one or more of these:
Errors during dividing of sex cells (meiosis)
Errors during dividing of other cells (mitosis)
Exposure to substances that cause birth defects (teratogens)
Explanation: brainlist-////////
They wanted to end slavery so they could have everyone working together which would make inventions come more often like the car or better weapons.
The most popular interpretation of the american dream is to be free and equal.
