The most common and most likely answer to this crossword clue is the 9 letter word REUNIFIED
I've seen this crossword clue in The Daily Telegraph
R
E
U
N
I
F
I
E
D
Buddy explains!

The straight part
We know that "like Germany?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like germany? = reunified.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REUNIFIED mean?
REUNIFIED verb- To unify again; to bring back together, or come back together, after separation.