How did Indus Valley cities differ from other early civilization cities? They were surrounded by protective walls.

They had houses that were all one story.

They had planned, gridlike streets.

They had a large population.

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Explain one major pattern of cultural interaction between nomadic and sednetary socities in afro eurasia before 1450 ce

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.