Why was this strategy not effective? The runaways believed that Douglass was greater than them. They didn’t trust the story Tubman was telling them, so she wasn’t believable. Douglass’s story made the runaways believe freedom was very difficult to achieve. The runaways were so miserable that the authority of the speaker didn’t matter.

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?