What role do turning points play in the process of periodization?

Who was william mckinley? what platform did he run on?

The mass extermination of jews as part of the holocaust during world war ii caused the displacement of millions of jewish survivors. a large portion of them immigrated to which location? a. united states b. poland c. north africa d. palestine e. soviet union

What were the shared risks of the signers of the declaration of independence were taking impending their names to the document?