What is NOT allowed during a unionizing campaign? Which are illegal acts of companies and managers when used to block a union from forming? Check all that are not permitted.

Group of answer choices

Convincing employees that the wages, benefits and other terms and conditions of working for the company are competitive.

Developing communications that discuss how unions are likely to cost employees money, such as the cost of dues and lost wages during strikes.

Providing factual information about the business and increased costs of the company under a union contract.

Providing extra recognition, quickly solving employee complaints, ensuring due process in performance management.

Threats, Interrogations, Spying, Promises.