99 points
what was the purpose of the hawley-smoot tariff of 1930?
to raise import tariffs to protect u. s. firms from foreign competition
to reduce income taxes as a means to boost consumption
to lower estate taxes to benefit entrepreneurs
to prop up the prices of farm products in the export market
to increase the purchasing power of workers

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.