Match the following:- Column A
1. 1 mean solar day
2. 1 decade
3. 1 millennium
4. 1 year
5. 1 century

Column B
a. 10 years
b. 100 years
c. 25 hrs
d. 1000 years
e. 365 days

your answer for number 1 is decade millennium or century

Your answer for number 2 is a d or b .

Hope this helps.

Explanation:

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker