Which statement accurately describes the significance of the war of 1812?
a. england realized that the united states would remain an independent nation.
b. president james madison was impeached by congress over his handling of the war.
c. the united states gained territory in mexico and annexed texas.
d. france regained new orleans after a victory by napoleon's army.

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.

the answer is a. harriet tubman was a nurse on the battlefield.