internationalize

To make international.

To put under international control.

To make international; cause to affect the mutual relations of two or more countries: as, to internationalize a war.

To bring or force (a weak country or territory) under the control or protection of several stronger nations. See internationalism, 2.

To make international; to cause to affect the mutual relations of two or more nations.

To make something international; to involve multiple nations

make international in character

put under international control