Es kommt, wie so oft, auf den Kontext an. Was willst Du denn sagen?

sie kommt mit dem Land nicht zurecht.
She can't cope with the country?
She can't handle the country?

Geht's um Singapore?

to cope: to deal with with a certain amount of success. (Webster's)

to handle: to behave or perform in a particular way (Webster's)

'She learned to cope with her circumstances quite well despite the surgery.'

'The soldier handled his being on the front lines like he was born to it.

You could say 'handle a country', but it almost have a ring of meaning 'to put up with' or 'endure'.

'Sure, I can handle being in Iraq knowing that I get to go home in 3 months.'

"I can't handle this country and its strange ways.'

'I handled the country well for not being able to speak the language.'

"almost has" instead of "almost have"

Woops!

KAB, was für ein "Webster's" hast Du? Zumindest im online-Merriam-Webster lese ich:

2 a: to maintain a contest or combat usually on even terms or with success —used with with b: to deal with and attempt to overcome problems and difficulties —often used with with

"to cope" ist auch typisches Wort in der Psychologie für Dinge, die zu psychischen Problemen führen könnte (coping/ coping strategies).

(Stimme aber zu, was die Übersetzung hier angeht.)

'Webster's New Universal Unabridged Dictionary' published in 2003 :)

I only put the part(s) of the definition that applied to the query.

And then there's "come to terms with"

She can't come to terms with living in.....