What was the significance of muhammad's marriage to khadijah?

What clause of the treaty of versailles in particular left the germans feeling like they were “stabbed in the back? ” by the victors?

What were four reasons for the decline of spain as a world power

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.