Answer:
The dichotomous key was created with questions about permanent
physical characteristics.
Explanation:
The answer is permanent. I took the test on edge 2020.
They were tasked with protecting the movement of trade goods. They also kept defense of the northern and western frontier against Indian and Mexican incursions, defense of the coast against Union invasion, and suppression of Union loyalists within Texas.
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The Aryans invaded and conquered India in the 1500s BCE (before the common Era).