Choose one of the new/improves technologies or weapons from WWI. How did its invention or improvement help the allies and/ or central powers?

What is political gerrymandering, what does is accomplish, and why might legislators use this tactic in redistricting

Why did einstein write a letter to president roosevelt

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.