Do you mean what? I would say disease, the natives have never came in contact with those sicknesses so they died out fast because of how weak their immune systems were.
Answer:
Territory
Explanation:
They helped control more territory
The correct answer is: "limiting competition"
Regional trade blocks are intergovernment treaties through which several countries agree to eliminate trade barriers among its members, so that they can enjoy free trade and enhance competitiveness within the region. Moreover, they establish a joint external trade policy, setting tariffs and other trade barriers to favour<u> domestic producers cope with competitors from outside the block, limiting the foreigner's ability to compete with products from the trade bloc. </u>
<span>False! Aksum stayed Coptic Christian</span>