Proposed a heliocentric model of the universe.
a. isaac newton
b. leonardo da vinci
c. niccolò machiavelli
d. nicolaus copernicus

Mississippi, florida, alabama, georgia, louisiana, and texas all seceded from the union. true or false ?

What was the result of delegates from the democratic party not being able to nominate a candidate in 1860

:) 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.