Why did Islam initially expand by conquest? Can you distinguish between the expansion of Arab power and the spread of Islam?

Arab power was background of the spread.

Explanation:

The Muslims conquest after the death of the Mohammed led to the occupying of the vast majority of the areas and conversion of the Islam followed and this boosted the missionary activities of the imams. With the Muslim conquest spread through the middle east and the Arabic empire expanded by the spread and had its roots in the Arabic world united under the Mohammad.

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.