Why are there rules for exogamy and endogamy?

Should individuals within a corporation be held liable for that corporations wrong doings if the corporation causes its agents to violate the law through the corporation's goals rules and policies? Why are authors and composers careful to copyright their work? What recourse do you have when the insurance company and repair shop state the repairs made to your car after a wreck are adequate even though you are not satisfied? What is possible sentencing for invasion of privacy 2 counts of stalking intimidation and battery? What document was the first step in constitutional building and government with consent of the people? Is non stock non profit corporation in the Philippines required to file quarterly income tax return? Late notification of a court order to defendant? Does a defendant have to testify in court? Can a court CHILD custody judgment be enforced across state lines? What four powers did the league have to enforce in 1919? Is it true that all government acts and statutes are only enforceable with consent? Is an expired license still valid? Can a debt after 6 years of no notices from a company bought from another still be collected? Will japanese maple grow new branches even if it has lost all branches? If sentenced to three terms of three years each to be served consecutively how much time will one serve? What was the original reason for adding the Establishment Clause to the Constitution? How many states need to aprove the amendment? Which tool is used as a checklist to verify a station or on-the-floor training? Is the Federal Supplement considered to be primary authority? Who was recently executed by hanging in Washington D.C.?