联合主义论者

例句：

1. 1. The United States of America is the third-largest country in the world.
   美国是世界上第三大国家。
2. 2. The United Nations is a global organization that helps countries resolve conflicts.
   联合国是一个全球组织，帮助各国解决冲突。
3. 3. The United States has a strong economy and a large military.
   美国经济强大，军事力量庞大。