Why did islam spread through much of southwest asia during the 650s and 660s?

a.
muhammad traveled widely there during this period.

b.
muslim armies conquered the sasanian empire.

c.
roman missionaries spread islam to new regions.

d.
demand for goods meant more traders came to the region.

The tea party movement is a. an official third party that challenges both democrats and republicans in national elections. b. an organized challenge to incumbents in the republican party by the most conservative wing of the republican party. c. an organized challenge to incumbents in the democratic party by the most liberal wing of the democratic party. d. an offspring of the green party that runs for state and local office in many midwestern states. e. the now defunct party that gave way to the republican party at the end of the “second party system.”

Acharacterized by intimate, long-term, face-to-face association and cooperation. primary group community clique secondary group

What was the greatest contribution of the “scientific method”?