After weeks of working with U.S. officials to try to avoid hefty tariffs on Swiss goods, negotiators from Switzerland got assurances that a deal was all but done. Swiss businesses vowed to pour tens of billions in investment in the United States in the coming years.

The Swiss government said it had “no indication” the country would be hit with a 39 percent tariff, which is set to take effect this week.

The two-minute video isn’t subtle. Wielding a medieval halberd, the president of the conservative Swiss People’s Party lays out the choice Switzerland faces: a simpler life that the country’s founders spelled out in a one-page declaration more than 700 years ago or a 2,