Experts believe the Indus Valley Civilization began to decline when the Saraswati River started to dry up, or because of a great flood in the area. Why would either event have had a catastrophic impact on the people living there?
A)
Either event would have scared the people into moving away and joining
other civilizations.
B)
Either event would have killed all of the people living there immediately,
thus wiping out the entire civilization.
C)
Either event would have caused protections around the towns and cities to
collapse, leaving the civilization weak to invaders.
D)
Either event would have negatively affected the agriculture (crops and
Livestock), causing their economy to become unsustainable.

PLEASE HELP ASAP

answer; together, washington and rochambeau marched their combined force south to virginia in 1781 and trapped british gen, charles cornwallis and 8,000 british troops at yorktown, forcing their

saint clair’s defeat, (november 4, 1791), one of the worst defeats ever suffered by u.s. forces in indian warfare, precipitated by british-indian confrontation with settlers and militia in the northwest territory following the american revolution. despite specific provisions in the treaty of 1783 for the evacuation of its forts on the northwestern border, britain had failed to yield these lucrative fur-trading posts. in hopes of reclaiming lost hunting grounds with british support, a northwest indian confederation was gradually molded between 1785 and 1787, consisting mainly of shawnee, delaware, ottawa, iroquois, ojibwa, miami, and potawatomi. kentucky frontiersmen reacted to this threat by initiating raiding parties on native villages as early as 1788, and indian warfare flared up the following year.

greenland

c tundra

iceland is grassland

c it says nothing about connecting those 2 seas.