What
economic opportunities did
towns offer ordinary people?

Towns/Cities offered higher-paying jobs that didn't involve the weather, where some rain could ruin your crops overnight.

Explanation:

Of course, they had disadvantages too, including (usually) bad working conditions in the 1800s and 1900-1940'ish period, and racial discrimination as well.

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.