Answer: Steam power, which lead to steam powered ships helped European forces colonize Africa.
Explanation:
Steam Powered ships aren't the only thing though, and I think they're kinda tied in 1st place with guns for "Scientific advancement that most helped Europeans colonize Africa". I think-- I could be wrong, but I'm pretty sure-- they had machine guns at that point. Let me just double check that so I don't mess you up.
Yup! They had the maxim machine gun which "allowed Europeans to wipe out Africans in battle after battle."
Jeez. That whole time period was so messed up
The property rights component assesses the extent to which a country’s legal framework allows individuals to freely accumulate private property, secured by clear laws that are enforced effectively by the government. Relying on a mix of survey data and independent assessments, it provides a quantifiable measure of the degree to which a country’s laws protect private property rights and the extent to which those laws are respected. It also assesses the likelihood that private property will be expropriated by the state.
They fought with direct action protests and keen political organizing such as voter registration drives and the Mississippi Freedom Democratic Party.