The answers are
1. Secondary
2. Rebecca Maksel
3. 1936
4. Main idea

The answers are the exact way that you put it.

Explanation:

The first blank is "secondary". The second blank is "Rebecca Maksel". The third is "1936". And the fourth blank is "Main Idea".

what are local authorities doing to fix the problem

explanation:

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.