The system of laws that had the greatest influence on modern american law is
a. roman law
b. hammurabi’s code
c. greek law
d. 1 common law

The system of laws that had the greatest influence on modern American law is "Roman law," since it was this system that established many of the checks and balances within the central government that the US uses today. 

Explanation:

the quote by walter cronkite contributes to the central idea of the text by supporting the central idea. cronkite argues that what is deemed “right” for and in america may not be good for other countries. this supports the central idea of the text, that the vietnam war was unpopular in america for multiple reasons- including cronkite’s.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live