To represent the USA
Absolutly!
they wore a blue coat,pants and hat they were called the union army
The main color of the US Army Infantry is blue.
Not in the US Army. They wear a gold oak leaf.
No. The infantry cord is for wear only by infantrymen of the U.S. Army.
Depends on which army, and which uniform you have in mind. The current US Army Class A uniforms are blue, with the blouse being a dark blue, and the trousers being much lighter, while officers wear a gold stripe down the sides of the trousers. The ACU (Army Combat Uniform) is various shades of green, tan, and grey.
Everything you list here is okay to wear except the US Army tape.
No, I believe it is the Marine's.
No the CIB is a an Army award and not transferrable to the Marine Core dress uniform.
Yes any member of the service may wear the dress blues.
No. You do not wear DUI's on the Dress Blue ASU's. See ALARACT 202/2008
Look in army regs I earned the gwotem and I can't wear my afgan medal on my unifom