Why was the Bill of Rights added to the U. S. Constitution? a
To declare independence from Britain

b
To create the three branches of government

c
To safeguard Americans' rights

d
To enforce important laws

The Bill of Rights was added to the United States Constitution to guarantee the protection of the people from a strong central government.

Explanation:

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.