How did Palpatine manage to gain control? Do you think it was an affective method?

If you look at real life, being evil doesn't mean you can't rule a country well. Look at Hitler's Germany. When he came to power, the Weimar Republic was in meltdown with an already-runaway economy entering the Great Depression and unable to repay war indemnities since years ago. By the time Germany started taking back territories that were lost before the war, it was a leading industrial powerhouse in Europe and a world power once again.