How did Caesar expand the boundaries of Rome?

Explanation:

Caesar conquered Gaul, which was a huge swath of territory, and he also invaded Britain, but he did not annex it, simply making the tribes there to pay tribute to Rome. He also turned Egypt into a client state of Rome. ... He expanded Roman rule over Gaul, and in Britiain to some extent.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

yup! you are correct it is b.