According to your graph, between 1790 and 1830, pig iron production (increased/decreased) by about (400,000/600,000/800,000) tons.
What was the general trend in pig iron production between 1720 and 1860? (it decreased slightly/it increased slightly/it increased dramatically)

:) 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.