European Imperialism was a period of colonial expansion. It is the most important cause of WW1 because it built tension between the countries. It caused Tension between Nations and Countries. Was a cause of WW1 by separating from where they stand to form another empire away from their old empire, to avoid dictatorship.
The freedom of Bureau I think
Economic causes of wars were most important. Divisions over religious principles and authority underlay most wars, hope this helped <3
Answer:
search google
Explanation:
https://www.google.com/search?q=How+did+Leopoldo+actions+lead+to+the+scramble+for+Africa&rlz=1CARWXF_enUS863&oq=How+did+Leopoldo+actions+lead+to+the+scramble+for+Africa&aqs=chrome..69i57j69i61.874j0j9&sourceid=chrome&ie=UTF-8&safe=active&ssui=on