What was most likely the earliest weapon (excluding rocks or hand axes)?
a free market economy requires less state intervention. concurrently, it often requires a degree of democratisation of its institutions which- to a certain extent- facilitates economic activity. at the same time, a free market economy appears to be reliant on democracy for its functioning.
i don't know why don't you google it?
answer: c the united states outlawed slavery.
slavery was still going on until 1865 when the 13th amendment said "neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the united states, or any place subject to their jurisdiction."