How do scientists know that Paleo Indians were hunters

Paleo-Indian groups were efficient hunters and carried a variety of tools. These included highly efficient fluted style spear points, as well as microblades used for butchering and hide processing. Projectile points and hammerstones made from many sources are found traded or moved to new locations.

Explanation:

The U.S. government's role in the economy can be broken down into two basic sets of functions: it attempts to promote economic stability and growth, and it attempts to regulate and control the economy. ... The federal government regulates and controls the economy through numerous laws affecting economic activity.

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