The discovery of oil increased the population of Texas as people swarmed not as much as the Gold Rush but similar to try to get rich from the oil.
District of Columbia v. Helle
Base from the advice that has been given to them, it is considered to be a good advice. It is because being able to be distracted means that the person could have more time to think about their decisions. With that, it could help them to be able to come up with the decision that they think would be best for them. That is why the advice that has given to them is a good advice.
General Lee assumed that the Union is totally composed of cavalry only. He commenced an attack to advance through the Union forces. However the Union was backed by two corps of infantry. This is the reason why General Lee surrendered.