For now , the central issue that unites them is japanese war crimes committed against the chinese before and during world war ii and japanese leaders ' regular visit to the yasukuni national shrine 就现在来说,把愤青们紧密团结在一起的核心问题就是日本在二战前和二战中对中国犯下的战争罪行和日本领导人不断地参拜靖国神社。