Which is a common theory as to how Native Americans came to NM?

1. One idea, called the Solutrean hypothesis, suggests that the first Native Americans originated from Europe at an earlier stage, specifically from what is now France and Spain. (this is not as common)

2. Another main hypothesis is that the Native American ancestors split from East Asians around 25,000 years ago, then lived isolated for a period and entered the Americas sometime around the last ice age.(this is common)

3. Native Americans simply just originate from North America

what was the significance of the plessy vs ferguson ruling and jim crow laws

answer the impact. plessy v. ferguson allowed 'separate but equal, also known as segregation, to become law in the united states