What does the survival of Homo sapiens tell us about humans and their ability to adapt and change?

Why did trade along the silk road increase after it fell under mongol control? o people stopped using camels the mongols paved the road o it became safer to travel the mongols were better traders next question ask for

As american population grew between 1820 and 1850, the percentage of americans living on farms also grew. a.true b.false

In 1867 on way many american farmers responded to the difficulties they faced was to? a join the national grange. b form regional alliances. c protest against railroad rates. d pressure state legislators