Answer:
Within the socialist movement, reformism is the view that gradual changes through existing institutions can eventually lead to fundamental changes in a society's political and economic systems.Reformism is a political doctrine advocating the reform of an existing system or institution instead of its abolition and replacement.
i did not know about the both so i have seperated the answer see it from there
Missouri Compromise, (1820), in U.S. history, measure worked out between the North and the South and passed by the U.S. Congress that allowed for admission of Missouri as the 24th state (1821). It marked the beginning of the prolonged sectional conflict over the extension of slavery.
Because at that time, The pathway to Lusittiana was a territory conquered by the Germans troop during their conflict with Great Britain in World War I.
The Germans give the warning following the international law of warfare at that time that indicates each nations should give warning to normal civilians if they intended to target a certain area.