Answer:
i believe it is carbon monoxide and emissions , but i am not entirely sure about it
Explanation:
Answer:
North: economically weaken the South by blockading its coast
Explanation:
The gutenbergs printing press was soo important because it was the first printing press created
From 1890 to 1920 the percent of working children between the ages of 10 and 15 decreased. Less children were working in 1920 than there were in 1890.
