Islam spread through military conquest, trade, pilgrimage, and missionaries.
Arab Muslim forces conquered vast territories and built imperial structures over time.
Most of the significant expansion occurred during the reign of the Rashidun from 632 to 661 CE, which was the reign of the first four successors of Muhammad.
The caliphate—a new Islamic political structure—evolved and became more sophisticated during the Umayyad and Abbasid caliphates.
It would be the Cold War between the US and the Soviet Union in which Reagan fought any progressive movements like the Sandinistas in NIcaragua by funding the contras and also he bombed Kaddafi in Libya by trying to make him out to be a tyrant when in fact it turns out that he transformed Libya into one of the most modern and progressive countries in Africa under him.
Arctic and Indian are both oceans