What was one of the negative impacts of Brexit?

Brexit had many TERRIBLE impacts. One of the many was trading

Explanation:

Brexit had many negative impacts on everything including business. All traveling was banned, which caused an increase in cost of business. People who were trying to sell their products by travelling from different places to another were now facing a big problem because of Brexit was causing loss of travel trade.

~ Lady Brain

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )