Answer:
One of the main issues was Britain tried to have America pay for the expenses of war. The British lost a lot of money after all of the wars.
Explanation:
Lincoln's <span>greatest challenge upon being inaugurated as the 16 president of the US was keeping the Union together, since many southern states believed that this presidency and administration would threaten slavery and thus their economy and way of life. </span>
Senate leader is always the vice-president and I don't know about the house