I need help with this please

Which economic system has become associated with authoritarian governments and total control of the economy? a. capitalism b. mercantilism c. communism d. socialism e. barter

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.

The letter explains the treatment of prisoners of war. of 3.6 million prisoners of war, only several hundred thousand are still able to work fully. a large part of them has starved, or died, because of the hazards of the weather. . the camp commanders have forbidden the civilian population to put food at the disposal of the prisoners, and they have rather let them starve to death. –letter to defendant wilhelm keitel from alfred rosenberg the letter prosecutors at the nuremberg trials prove that soviet prisoners were a) treated well despite the conditions. b) treated poorly. c) subject to execution. d) subject to crimes against peace.