What is the leading theory about how early humans arrived on the American continents?

Hello! This is for connexus:

1. What is the leading theory about how early humans arrived on the american continents?

.They walked from asia to North américa over a strip of land that has since been covered by the ocean.

2. How did the shift to farming affect native american cultures?

. Farming encouraged native cultures to build more permanent shelters and communities, and!, Agriculture provided a slurplus of food allowing for an increase in population.

3. Which of the following statements are true about mayan, incan, and azteca civilizacions?
(I'm getting lazy)
. They we're advanced in mathematics and astronamy
And! . They built magnificent cities and stone temples

4!. Which región was Home to the iroquois league?
. The eastern Woodlands of North américa!

And lastly!
5. The map thingy
. Lakotas

Jesus! This took years typing anyways! Hope it helps!

TYSM HELPER!!!

No problem!

Thank you, I have much gratitude.

thank helper!! i 9. and 90% th e test! thankkkkkk

The leading theory about how early humans arrived on the American continents is known as the "Bering Land Bridge" or "Beringia" hypothesis. To understand this theory, let's break it down step by step:

1. Context: Around 20,000 to 25,000 years ago, during the last Ice Age, much of the world's water was frozen in glaciers, causing the global sea level to drop. This exposed a land bridge between Asia (Siberia) and North America across the Bering Strait, known as Beringia.

2. Migration: It is believed that early humans from Asia, who were hunter-gatherer groups, started crossing over this land bridge into the North American continent. These crossings likely occurred in multiple waves, over thousands of years.

3. Nomadic Lifestyle: As humans ventured into newly accessible territory, they adapted to the diverse environments they encountered. Over time, they spread across the American continents, eventually reaching as far as the southern tip of South America.

4. Archaeological Evidence: Various archaeological remains, such as stone tools and ancient campsites, have been found throughout the Americas, providing evidence of human presence dating back tens of thousands of years.

5. DNA Analysis: Genetic studies comparing the DNA of indigenous populations in the Americas with those from other parts of the world also support the theory of migration from Asia.

It's important to note that the Bering Land Bridge hypothesis is the prevalent theory based on available evidence, but ongoing research and new discoveries may contribute to additional or refined explanations in the future.