What were the reasons for the start of the Cold War? How did the two sides attempt to increase their influence in the world and did they succeed or fail?

Word does jefferson use in opening of the second paragraph that means "obvious? "

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.

Which country’s foreign policy is designed to threaten u. s. economic superiority? china russia iran japan