The current pandemic corona virus affected US foreign policy, international trade and immigration policy in an adverse way. US economy witnessing a rapid disruption in productions. All import and export services are stopped. Productions are not done that's why supplies are not fulfilled. Immigrants are not going to the foreign in fear of getting infected.
Step-by-step explanation:
The pandemic corona virus leads the world to an uncertainty where all the trade policies (production and supply of goods and services) are getting affected by long run lock down through out the maximum countries. All international flights are stopped to prevent the unwanted spread of highly infectious disease.
Through this no communication is taking place in between countries. All the borders and connectivity points between countries are seized. This uncertain condition causes lower valuation of money and rapid variation in the market.