What was one reason why the spanish civil war was called a "dress rehearsal" for world war 2?

How did tyrants attempt to gain the approval of common citizens?

The current population of a city can be represented by "p." the population is expected to increase by 6.5% next year. write an expression in simplest form that represents the expected population next year.

Who were the only people that were not allowed to be a citizen in the roman empire