in the reservation system, american indian tribes were confined to assigned land with\ndefined…

in the reservation system, american indian tribes were confined to assigned land with\ndefined borders.\nflexible borders.\nunknown borders.\nnatural borders.

in the reservation system, american indian tribes were confined to assigned land with\ndefined borders.\nflexible borders.\nunknown borders.\nnatural borders.

Answer

Brief Explanations:

In the reservation system, American - Indian tribes were given specific, defined areas of land. These lands had clearly marked and defined boundaries set by the government.

Answer:

A. defined borders.