Which group opposed the spread of slavery during the 1860 presidential election? the Southern Democratic Party
the Republican Party
the Constitutional Union Party
the Democratic Party

Brainliesttt !me : ) describe the responses to terrorism in the united states.

What factor aided the russians in defeating napoleon's troops?

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?