PLEASE HELP I NEED THIS FASTThe first sentence of a summary should always include what 2 items?

According to the chart, the power to tax is a concurrent power, meaning a) it belongs to the state government. b) it is a government power that is shared. c) it is less important than the power to borrow money. eliminate d) it is more important than the regulating state trade.

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things

Why do you think americans were so fascinated by this idea of the united states stretching from “sea to sea”? give 2 reasons