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
A. uneven heating of the air
The major and initial strategy of the northern states was A. attrition. The North had far more troops than the South, and it was assumed that the South would eventually lose too many men and give up.
Answer:
In the Roaring Twenties, a surging economy created an era of mass consumerism, as Jazz-Age flappers flouted Prohibition laws and the Harlem Renaissance redefined arts and culture.
Explanation: