Define "alliance obligations" and describe what it meant for the European nations to fulfill these obligations in the six weeks following the assassination of Archduke Ferdinand. How did it draw in all of Europe into this war?

d is correct the right of the people to be drafted into the armed forces.

hope this let me know if it is right.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.