Final answer:
The hospitality and tourism sector was negatively impacted immediately after strong Covid-19 restrictions were implemented due to travel restrictions and lockdown measures. Airlines had to cancel flights, hotels had low occupancy rates, and restaurants faced closures or limited dine-in options.
Step-by-step explanation:
The sector that was negatively impacted immediately after strong Covid-19 restrictions were implemented in the US and around the globe was the hospitality and tourism sector. This sector includes businesses such as hotels, restaurants, airlines, and travel agencies. Due to travel restrictions, lockdown measures, and social distancing protocols, these businesses experienced a significant decline in customers and revenue. For example, airlines had to cancel flights, hotels had low occupancy rates, and restaurants faced closures or limited dine-in options.