Through the Great bargain and the 3/5 trade off. The Constitutional Convention in Philadelphia met amongst May and September of 1787 to address the issues of the feeble focal government that existed under the Articles of Confederation.
The responsibility of driving is a lot for younger drivers because they don't have experience. Younger drivers get distracted the most. Kids under 18 want to impress their friends and in an attempt to do so may crash. Phones are very popular with children under 18 and they are more likely to use it while driving. To top it off, kids under 18 like to drive fast and don't have the reaction time of adults.
Yes, because Germany was constantly violating rules against the United States.
The answer to your question is true