They were there against the civil right worker's murders. While the black population at the time was allowed to vote, in the Southern states they were withheld from voting by all sorts of idiotic reasons.
Han Artisans. Hope this helps!
"T<span>hat European nations would have to alert one another about any African territory they claimed" would be the best option, since this was at the prime era of colonization in Africa. </span>
The answer to the question is bicycle.
