Which of the following doubled the size of the united states in 1803?
a. the civil war
b. the louisiana purchase
c. the american revolution
d. the industrial revolution

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south