A. Urban II
These incursions prompted the emperor of Byzantium, Alexius I Comnenus to send a delegation to Piacenza, Italy, asking Pope Urban II in March 1095 for help against the Turks. On November 27, 1095, in Clermont, France, Pope Urban II called for a crusade to help the Byzantines and to free the city of Jerusalem.
<span>The answers are:
A. Discrimination is treating people unequally because of prejudice or partiality.
<em> Discrimination is unequal treatment to people due to some reasons that can</em>
<em> be because of color, race or ethnicity.</em>
</span><span><span>B.The Thirteenth Amendment gave all male citizens the right to vote.
</span> <em>It gave the right to all males including African Americans.</em>
</span>
C. <span>Martin Luther King, Jr., gave his "I Have a Dream" speech at the Lincoln Memorial.
<em>It was a speech about freedom and equality</em></span>
Why does an economic choice involve giving up something else? People make choices because they cannot have everything they want. All choices require giving up something (opportunity cost) Economic decision-making requires comparing both the opportunity cost and the monetary cost of choices with benefits.