The transcontinential railroad brought more money to the railroad companies because more people had access to the railroads, therefor using them more, and money was brought in. Not 100% sure, but that is my guess
A. <span>It created widespread blending of cultures.
</span>That brief but thorough empire-building campaign changed the world: It spread Greek ideas and culture<span> from the Eastern Mediterranean to Asia. Historians call this era the “</span>Hellenistic<span> period.” (The word “</span>Hellenistic<span>” comes from the word Hellazein, which means “to speak Greek or identify with the Greeks.”)</span>
They excavated temples and tombs whose walls were covered with scenes of daily life.
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The Byzantines spread Christianity mostly by sending out missionaries for the Greek Orthodox Church.