1. Land Grant System- offered each railroad company land
2. Companies sold off their excess land to settlers, real estate agents, and businesses- able to cover all building costs because of this.
Answer:
C. Doubled the size of the country
Explanation:
The Louisiana Purchase was a massive land purchase in American History that doubled the size of the country.
1859 - Natural Selection - Charles Darwin wrote “On the Origin of Species by Means of Natural Selection, or the Preservation of Favored Races in the Struggle for Life
1865 - Heredity Transmitted in Units - Gregor Mendel’s experiments on peas demonstrate that heredity is transmitted in discrete units. The understanding that genes remain distinct entities even if the characteristics of parents appear to blend in their children explains how natural selection could work and provides support for Darwin’s proposal.
1869 - DNA Isolated - Frederick Miescher isolates DNA from cells for the first time and calls it “nuclein
i think any of will work
I believe the answer is A, The Renaissance
