They're not a big change for the United States, because it has treaty obligations to defend South Korea, including with nuclear weapons.

对美国来说，这并不是一个大的变化，因为它有保卫韩国的条约义务，包括使用核武器。

When your elected officials are appropriating their budgets, ask them: Are you fulfilling treaty obligations?

当你选出的官员拨款预算时，问他们：你在履行条约义务吗？

In March 1785 John Adams was appointed ambassador to Great Britain, and Jay urged him to raise the northwest forts with the British government, while urging Congress and the states to carry out their treaty obligations.

1785 年 3 月， 约翰·亚当斯被任命为驻英国大使，杰伊敦促他与英国政府共同修建西北要塞，同时敦促国会和各州履行其条约义务。