When were fairs in the middle ages?
every day
once a week
once a month
once or twice a year

Historians use periodization in order to: a. decide when a certain historical even took place. b. divide history into units with distinct start and end dates. c. criticize arguments made about the past. d. organize history into different timelines

Can someone answer these question about vasco de gama for me: when? (when did he started his travel)from where & to where? (from where he was and then where he went to)motives? (what was his motives for traveling)accomplishments & discoveries? i will give you 15 star for answering all of these, you so much.

The united states and great britain moved as fast as humanly possible to open a second front against germany in world war ii. write a paragraph supporting this statements