What did spanish and portuguese christians unite to do in the 1400s?

Why is it problematic for historians to use oversimplification when writing about the past?

Which thirteenth century group invaded russia, leveling cities and massacring whole populations?

The photograph shows sudanese president omar al-bashir. the international criminal court has been unable to prosecute al-bashir for war crimes because it cannot a) launch a search for him inside sudan. b) arrest him due to the court’s limited authority. c) issue an arrest warrant until sudan gives it permission. d) step in until the un security council refers the case to the court.