What was the character of the stock market in the late 1920s

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

Which option best describes how the printing press transformed european society? (a) prior to the printing press, the catholic church hand-copied texts and disseminated them to peasants. (b) prior to the printing press, the church of england did not allow peasants to learn to read. (c) prior to the printing press, the orthodox church recited luther’s “95 theses” aloud to peasants. (d) prior to the printing press, knowledge was reserved primarily for nobles and clergy.

What is the difference between an independent and a dependent variable?