международному

международному

"To international" or "to the international" (dative singular form of "международный").

Here, 'международному' is used in the dative case to describe an objective of cooperation designated as international.

Мы должны уделить внимание международному сотрудничеству.

We must pay attention to international cooperation.

In this context, 'международному' qualifies 'миру' (peace) in the dative case, denoting the target of the threat being international peace.

Это большая угроза международному миру.

This is a major threat to international peace.

Here, 'международному' modifies 'обществу' (community) in the dative case, indicating the characteristic as pertaining to the international community.

Она всегда обладает толерантностью к международному обществу.

She always exhibits tolerance toward the international community.