What directly led to new labor systems and an increase in trade throughout the old and new worlds

Which of the following was a goal of european conservatives in the early 1800s? a. the establishment of a homeland for people with a common heritage b. the expansion of suffrage to the middle class c. the constitutional protection of natural rights d. the preservation of traditional ways of life

The 15th amendment to the u.s. constitution, ratified in 1870, deals with what issue? a. prohibition of alcohol b. voting c. declaring war d. free speech

What post war changes took place in north america