By the 1830s, farmers were using new fertilizers on crops and feeding artificial feeds to livestock. ... The Agricultural Revolution<span> was a period of technological improvement and increased crop productivity that occurred during the 18th and early 19th centuries in Europe</span>
<span>Spain's conquest of central Mexico and the Andes made Spain the wealthiest and most powerful nation because of the abundance of gold and silver which it gained. This large amount of gold and silver it was able to obtain was sent to its national treasuries allowing it to become a threat to any other European competition.</span>
Answer:
<u>Horace Greely</u>- He was a white-American journalist and abolitionist. Greeley’s main concern was the abolition of slavery.Greeley supported the Free Soil Party.
Explanation:
- Greeley wrote several books including <em>Glances at Europe 1851, An Overland Journey 1860, a two volume history of the Civil War, The American Conflict 1865, and his autobiography, Recollections of a Busy Life 1868.</em>
- <em>As Greeley wrote an open letter to the </em><em>president,Lincoln</em><em> famously replied three days later "</em><em>My paramount object in this struggle is to save the Union, and is not either to save or destroy slavery. If I could save the Union without freeing any slave, I would do it; and if I could save it by freeing all the slaves, I would do it."</em>
