Although you unhelpfully didn't supply the following choices, the answer is
<u>the opportunity for former slaves to leave the U.S.</u>
Answer:

Explanation:
First, let's define pandemic and epidemic.
- Pandemic: a disease outbreak that affects many people and many continents, or the entire world
- Epidemic: a disease affecting more people than usual in a region or community.
This question asks us about many people coming down with the bird flu in Detroit.
Detroit is just one specific region and the bird flu didn't spread to many countries or continents. Therefore, it is best classified as an <u>epidemic.</u>
you mean what does that mean it means that if you want to make your job skills advanced then start training
also i need a brainliest
Hm...
1) we would have to compete with them for food
2) we'd have to run like h if we saw a predator
3) we'd have much more different cities
4) some inventions might not have been invented
5) some modern species would be extinct, or not exist