As if he was a diplomat or something, many new leaders approached Leon in order to create amicable relationships with him. Even though Alexei spread the magic knowledge in Europe, those guys still wanted Leon to pay them a visit and give them some lessons. That was fine and all, but his hands were already full, just having two thousand students in Las Vegas. He didn't need millions of them all over the world.
That being said, Leon made a mental note to help them. He was a soldier of the Allied Forces of North-America, and he was their allies, helping allies was a given. Besides, even though he failed in saving Makoto and rescuing Yuki on time. He succeeded in obtaining allies, and he also received a lot of coins, and more importantly, he received Makoto's Katana and even the railgun.
"... Are you sure about that?" Leon asked.
