After WWI the league of nations forced Germany to pay fpr the entire war, and took away all the land they had fought for. So it collapsed the German economy, which inevitably lead to WWII
The proposed state cast a ballot on the issue.
The proposed state authoritatively petitions Congress for Statehood.
The proposed state must ensure it is following the constitution for its administration.
Both the Senate and the House vote with a lion's share to acknowledge the state.
The president signs the bill.
I don't know directly but here are some notes that can help