What was the effect of the louisiana purchase? it doubled the size of the country and provided control of the mississippi river. it improved relations with england and canada and prevented indian invasions. it stimulated the economy and strengthened the alliance with france. it prevented a western attack on the united states by spain.

:) 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.