How did Germany go from losing sides of WW1 to starting WW2? (How did German Nationalism contribute to this?

The final reason for Germany's failure in World War I was its decision to carry out a submarine attack against merchant ships in the Atlantic Ocean during the war. Germany launched many U-boats during World War I and used them to try to force Britain from the war.

Explanation:

a   church leadership can be defined as a process of influencing other people to work together to accomplish a desired purpose.

in this case one person acting as a role model and influencing other to work as one person to accomplish a certain misson or purpose.

this can be either leading people to do the work of god

the answer to your question is:

strong-mayor system