In South America, there are many corrupt governments and violent gangs. The governments were put there by the Soviets or Americans. It was the Cold War (which was about influence) and so they put many governments in charge. This lead to mass immigration to the U.S were life was easier and Texas just so happened to have the largest border with Mexico than any other state.
Answer:
https://www.google.com/amp/s/m.huffpost.com/us/entry/7573322/amp
This article is not from an indigenous news outlet, however it is about a labour dispute surrounding a Native American owned casino in 2015. Hopefully you can investigate this further
Trade Restriactions would be a good title. Embargoes limit and restrict trade between nations, Quotas limit the quantity of goods being traded, Subsidies make certain goods cheaper to produce in foreign markets, and a Teriff is a tax put on imports and exports.
