Answer:
Islam spread through military conquest, trade, pilgrimage, and missionaries. Arab Muslim forces conquered vast territories and built imperial structures over time. ... The caliphate—a new Islamic political structure—evolved and became more sophisticated during the Umayyad and Abbasid caliphates.
Explanation:
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https://spartacus-educational.com/U3Ahistory17.htm
Forests were being consumed by money-hungry lumber companies, and Pinchot needed support in his conservation efforts.
The federal troops were used to help suppress the strikers on behalf of the owners.