Why did emile berliner's gramophone win the format war against thomas edison's phonograph?

Considering the case of the two health clinics above, why do you think that trouble was brewing? there was serious competition for tech jobs at the downtown clinic. the new technology at the uptown clinic was too difficult for the staff to understand. the doctors pitted the staff of one clinic against the staff at other clinic. the staff at the downtown clinic saw that their colleagues at the uptown clinic were treated better and had more opportunity.

The discovery of hammurabi's law code was an important archaeological find because it a. was the first law code developed in the middle east b. showed that early mesopotamian cultures had a bill of rights c. is the most complete mesopotamian law code known d. provided a model for european law codes

Me with these dbq articles 1. whether its reliable? why or why not? 2. what's the main idea 3. demonstrating new deal as success or failure?