Please help me What new technique allowed artists to paint humans and landscapes in a realistic 3-D way?

During the 19th century the united states government reacted to the union attempts to organize labor by

This essay was published in 1788 in response to an article that argued against the ratification of the u.s. constitution. he tells you that the president will have more power than many in princes in according to the essay, what is the effect of dividing control of the military power of the united states between congress and the president?

Woodrow wilson called the supreme court "a constitution convention in continuous session." what did wilson mean by this?