His cabinet was troubled by internal hatred. Lincoln was the first President not born in one of the thirteen original colonies. Also, he was the first President from the Republican Party. Prior to his election as President, seven Southern states had seceded from the Union.
On average a young man starts growing facial hair around 15 to 16 years of age. It starts in the fourth stage in Tanner's Stages of Puberty. Because boys start puberty at different ages and progress at different rates, it is considered normal to have facial hair as young as 11 or to not start developing facial hair until as late as 17. To estimate what stage of development you are in, see the Tanner Stage Calculator for Boys.
Beginning to grow facial hair means you're in stage 4 of development. In that stage you have gone through your rapid growth spurt and the rate of your growth is slowing down.