Why did vaccine companies collaborate with governments in the U$.$S$.$ and the UK during the global COVID$-19$ pandemic, as noted in the case?

Multiple Choice

Vaccine manufactures did not cooperate with U$.$S$.$ and UK governments.

They were required to under international human rights regulations.

To ensure the rapid development and delivery of their products.

Neighboring countries of the U$.$S$.$ and the UK pressured the vaccine makers.