How did improvement in transportation affect the number of states admitted to the union? ?

:) 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.

What change took place in the african slave trade in the 1500's?

Which two sentences in this passage talk about china’s efforts to curb environmental degradation?