What weapon made the ottomans so powerful in wars?

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

And the spark struck out by that steed, in his flight, kindled the land into flame with its heat.what do you think he meant

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