Who was Muhammad's friend and father-in-law and the first leader of Islam after Muhammad's death? Ibn Sina

Umar

Al-Khwarizmi

Abu Bakr

Abu Bakr

Explanation:

He was the next leader of Islam after Mohammad's death.

the u.s. department of labor is a cabinet-level federal agency that supports the american labor force. it has three overall functions. first, it protects the rights of workers and retirees. second, it provides job training. third, it provides statistics related to working, prices, and income.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.