What was the significance of the election of 1860?

Explanation:

The Republican Party was relatively new; 1860 was only the second time the party had a candidate in the presidential race. The Constitutional Union Party was also new; 1860 was the first and only time the party ran a candidate for president. The results of the 1860 election pushed the nation into war.

a. the astrolabe could determine the correct latitudinal location of the ship

your answer will most likely be a.