What role did merchants from venice, italy, play in the decline of the byzantine empire?

Since the 700 what was the relationship between muslims and christians on the iberian peninsula? how does this relationship impact the desire of christiannations in the iberian peninsula to spread christanity?

What country developed the open door policy a) china b) the united states c) britain d) germany

Discussion question what influence did industrialization have on human rights or on the rights of disenfranchised groups in the united states?