Iwill mark you brainliest if you can answer this question. what was the population of indus river valley 2600bc

Market, planned, and mixed are three basic types of imperialism fascism economic systems political organizations © ask for next question

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.

How have the united states influenced other nations? describe the impact that the u.s. has had on other countries.