Answer:
I would say we have better technology, so they can take part of the DNA and see when they were around. How long it's been since a dinosaur in the Triassic Era walked the earth.
Explanation:
Amswer is D. With more people in the country. More women needed jobs as they would often just cone to the U.S without someone to marry and would need to go work a job.
Made money and helped the economy create things with paper such as books and other paper products
The main reason why Alexis de Tocqueville traveled to the united states was to observe American democracy in action, and to take note of what worked and what didn't, as many European countries were going through democratic revolutions of their own.
