Examine this list of events that took place in China during the 20th century. Which event or events could possibly have been a cause of the Great Leap Forward?

Why is it useful for historians to base certain studies on the analysis of historical themes

Diarys letters and memoirs are good examples of what

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal