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.
Answer:
D. 1949
Explanation:
Each of these 3 events took place in the year 1949.
1. The soviet union tested it's first atomic bomb on the 29th day of August 1949 in what is now the modern day kazakhstan.
2. NATO was formed on the 4th of April 1948. It was formed by 12 founding members of alliance.
3. This is also known as the greta retreat. Also happened in 1949. The leaders of the Kuomintang fled to Taiwan.
The Heliocentric view comes from the idea that t<u>he sun is the center of the universe and all planets revolve around it</u>. It's the opposite of geocentric which states that the earth is the center whilst the sun revolves around it.
The first one is the answer ;)