In the United States, examples of the concurrent powers shared by both the federal and state governments include the power to tax, build roads, and to create lower courts.
He resigned because he'd already had enough trouble as president. Mainly the Watergate scandal. His plan was for him to step down and if he was arrested the vice president which would then be the vice president would pardon him. Also, if he didn't resign he'd likely be impeached anyway.
To design and implement a better sewage drainage system for the city
Can you list the options?