Basics of Economics

By the 1400s, Europe's demand for Asian goods increased. This is an example of

The immediate opportunity cost to Portugal for not hiring Columbus was

In the 1480s Portugal refused to back a plan by Columbus to sail west. This was because

After the revolution, Communists built schools are required attendance. This is an example of

During the 1850s Germany founded companies in steel and railroad. This answer which question

In 1517, Johann Tetzel sold indulgences to any Christian willing to pay. This is