"E Pluribus Unum" translates to:
a) from one, many.
b) no taxation without representation.
c) out of many, one.
d) even one is one too many.

there are hundreds of postives ways to unite a country with another country here are a   few

1 peace treaty's peace treatys

are basically a document signing a allliance with one country and another.

2 gift

what i mean by this is for example how the french gave the americans the statue of libery a gift of peace.