He lost every election until the Presidency. - False - He was Member of the U.S. House of Representatives from Illinois's 7th district from 1847 to 1849 before elected president in 1860.
He was the first Republican Presidential nominee ever elected. - True - The Republican party was founded in 1854 ideologically influenced by anti-slavery ideals and pro- economic reforms. The first president nominated was Abraham Lincoln in 1860.
He led the U.S. through the Civil War, embracing anti-slavery and resulting in a stronger federal government. - True - Abraham Lincoln was the president during the entire Civil War and fought against the separatists from the south. They embraced the anti-slavery movement and, winning the battle, kept the Union between the states. By doing so, he also strengthened the federal government.
He lost his second election to Ulysses S. Grant. - False - He won his second presidential term in 1864 against the democratic candidate McClellan.
He rooted out rampant inflation. - True - He installed the Greenback dollar. A paper based money, with ornate design, identification number and limit counterfeiting used during the Civil war.
Which gives us: 2,3 and 5 correct.