Answer:
1. Right to all land from the Atlantic to the Pacific: Manifest destiny
2. 2,900,000 immigrants to United States: Ireland
3. Someone who wants to do away with some rule or custom: Abolitionist
4. Reaper: Cyrus McCormick
5. Cotton gin: Eli Whitney
6. The state with more free blacks than slaves: Delaware
Step-by-step explanation:
1. The manifest destiny was a belief that the United States was meant to expand its territory from the Atlantic to the pacific.
2. About 2,900,000 Irish people migrated to North America due to the great famine that affected Ireland in the nineteenth century.
3. An Abolitionist is someone who wants to do away with some rule or custom.
4. Cyrus McCormick invented the mechanical reaper in 1831. Before then, harvesting was done by farmers using a sickle.
5. Eli Whitney invented the cotton gin and patented it in 1794.
6. Before the civil war, an estimated 10% of Delaware's black population were slaves while others were free.