Why was block printing so important back then and why its still important today?

Which of the following individuals is promoting the idea of nationalism?

In a command economy, people are not free toa buy consumer goods.b work in factories.c make production or monetary choices.d receive an education.

The holocaust of world war ii resulted in a) the nazis effectively used propaganda to gain and hold power in germany. b) ethnic regimes carried out mass devastation. c) deporting all european jews to the island of madagascar. d) the systematic mass slaughter of european jews and and others in nazi concentration camps during world war ii.