The Serbs and Bosnians showed because they had strong feelings of pride about their ethnic group, and they wanted their own independent Slavic country.

militarism
imperialsim
nationalism
alliances

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years