Ethnic conflicts within republics might lead to further political division that made economic cooperation almost impossible.

One point on which all three companies agree is the need to make ticket-buying smoother, either through consolidation, or at the very least, more cooperation.

This makes cooperation between the two countries the most likely scenario.

This may make future cooperation all the more difficult.

The European Union has made full cooperation with the tribunal a condition for closer ties.

Afterward, I decided to make conflict resolution and cooperation in the animal world my main issue of research.

But the details of what must be done could make such cooperation quite difficult.

It is obvious that direct communication between inspection staff will make cooperation faster and more effective.

Different national requirements for the project partners often make cooperation and the implementation of specific, sustainable projects more difficult.

We are making cooperation between the last self-employed entrepreneurs as difficult as possible.