Why cyber law is necessary?

1: Cyber Laws have an important role in representing and defining the norms of the cyber society

2:Cyber Laws help in giving the right to enter into legally enforceable digital contracts.

3: Cyber Laws help in maintaining the Cyber properties.

4: Cyber Laws help in to carry on online business.

Explanation:

Hope this helps :)

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."