Time zones were adopted to fix
a.)conflicting shipping schedules
b.)conflicting workday schedules
c.)conflicting harvest schedules
d.)conflicting train schedules

Option D.

Explanation:

Conflicting train schedules, is the right answer.

A time zone is a zone of the earth that follows a uniform standard time for economic, social and legal purposes. Time zones manage to reflect the borders of nations and their neighborhoods instead of longitude because it is suitable for regions in close economic or other information to keep the identical time. However, the time zones were adopted to fix conflicting train schedules.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.