Но даже после нескольких часов пере

Но даже после нескольких часов переговоров, министры пытались держать последовательную линию.

Results (English) 1:

But even after several hours of talks, the Ministers were trying to keep the serial line.

Results (English) 2:

But even after several hours of talks, the ministers tried to keep a consistent line.

Results (English) 3:

But even after several hours of negotiations, the ministers have tried to keep a consistent line.