The photograph is of Francis Perkins. Which historic milestone did she achieve? OA. She became the first female Secretary of Labor.
OB. She became the first woman to head a labor union.
OC. She became the first female member of the cabinet.
D.
She became the first woman to serve in Congress.

C. She became the first female member of the cabinet.

Explanation:

Frances Perkins became the 1st woman appointed to a presidential Cabinet when she was sworn in as Secretary of Labor on March 4, 1933.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

i need the diagram.