A GI is a nickname for a soldier. So, your question is asking what a soldier helped a soldier to do.
buy a house (apex)
GI's.
GI overseas. GI as in soldiers....
It offered them an education and training, home and business loans, unemployment pay, and job placement assistance.
69
Some were called Yanks or GI Joes.
It helped returning soldiers find a new place in society.
A US soldiers is called a GI.
Maybe.
They were and still called GIs or GI Joes for the "General Issue" or basic nature of issued equipment and similar appearance of all soldiers to each other in uniform. "Joe" was believed to be the common or stereotypical American name.
How did a testudo help the soldiers
Guaranteed them jobs