Tell about some unfair laws and rules that were once allowed in the U. S. How did people change

them? Include facts and details from the Article in your answer.

Before, the great United States came in to its being and gain its all might both inside the region and internationally, there was much to improve in the system or we can say many advancements were made to make some development inside the frame work of the US. As, there were great difficulties faced by the free folk inside the United States, while some of the laws were truly unacceptable for the citizens.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

these civilizations were located around fertile rivers, where they could produce an abundance of crops