Once an enabling act is passed by Congress before a Territory may join the Union, the territory must
A. prove the required number of residents and elect State
officials.
B.
prove that they have the required 60,000 residents.
C. create a State constitution.
D.
elect a State governor and Cabinet.

Option: B. prove that they have the required 60,000 residents.

Explanation:

Enabling Act by the United States Congress is a statute enacted that authorize the people of a territory to frame a proposed state. A territory may join the Union if it proves to have 60,000 residents in the region. Enabling Act was first introduced in 1802 with forming Ohio from the Northwest Territory. Later several other states are formed like Nevada, North Dakota, South Dakota, Montana, Washington, Utah, Oklahoma, Arizona, and New Mexico.

can't without checkbox

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know