Which major event most contributed to the spread of islam

How Muhammed's army had defeated all the other tribes during that time was very astonishing to the other tribes since the other armies were almost 10times the armyman as muhammed's which only had about 319 at the time. Other tribes decided to help Muhammed so their tribes would not perish. One by one, they started to believe in Islam umtil every single tribe in the middle east believed in Islam.

Please mark my answer as brainliest as i have spent alot of time on this.

Thank you!

Muhammad conquered Mecca. Short for what that guy said

i dont know the answer sorry but if i knew it i would of told you

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.