What was lincoln urgent problem at the beginning of his presidency

   American civil war

slavery in the u.s.

Explanation:

paper money known as continental currency, or continentals.

they chose sides following the death of the islamic prophet muhammad in ad 632. a dispute over succession to islamic prophet muhammad as a caliph of the islamic community spread across various parts of the world, which led to the battle of jamal and battle of siffin.

hope it