Before time zones, when people traveled what did they have to do to be able to keep correct time.

For ages, people used the sun to determine what time it was where they were. Every community set its clocks to noon based on when the sun reached its highest position in the sky; as a result, when it was noon in Washington, D.C., the local time in New York City was already minutes ahead. Before the days of long-distance travel, differences in local times weren’t a big deal.

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