Russia's invasion of Ukraine has created a watershed moment for the European Union.

The 27-member bloc is often criticized for being slow, bureaucratic and lacking in consensus.

But the EU has come together to impose the toughest sanctions ever on Russia — in record time — and to reverse or modify some of its previously entrenched thinking.

Among those modifications: financing the purchase and delivery of weapons to countries like Ukraine that find themselves in conflict.

Watch the video above to find out how the Ukraine invasion has brought the bloc together.