What, in addition to geographic boundaries, might have kept the people of the huang river civilization from traveling to far-distant regions?

they feared that their bronze weapons would be no match for the iron weapons of ancient egypt.
they could get everything locally that they needed to survive and grow.
they had learned about the other river valley civilizations but feared contact would bring invasion.
they had not yet developed a system of money based on coins.

where is the picture

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.

the correct answer is ''the programs costs have risen dramatically in the recent past'' hope this !

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws