Edward Jenner
The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed
Irish and/or German
from 1845 to 1852 was the Irish Potato Famine so a great number of Irish emigrated from Ireland, and a lot ended up in the US.
The German Revolutions of 1848-49 (or Marche Revolutions) started in 1848 and along with bad economic conditions, it caused many people from the German Confederation to America.
The correct answer to this question is:
B) The plan to develop the atomic bomb
Explanation:
What inference can correctly explain why the Spanish slave laws had more influence in New Orleans? The citizens of New Orleans were used to the idea of people of color having freedom. ... The influence of Spanish and French customs made Louisiana more open to the idea of free people of color.
