What helped introduce native americans to the world economy

slave trade and deerskin trade

Explanation:

The Carolina Colony was founded in the first half of the 17th century, and since 1670 circa, they based their economy on trades made with the countries of Europe.

The Carolinas offered to the Europeans Indian-Native American slaves and also animal skin. The Europeans, on the other hand offered back alcohol, munition and weapons.

The Carolinas were a major exporter of enslaved Native Americans to Europe.  

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering