Does the National Labor Relations Act give an employer the right to plead with workers to
refrain from joining unions using promises of benefits?

The national labor relation act is the act formed by the government to protect right of employers and the employees.

Explanation:

The National Labor Relations Act of 1935 is a primary rule of United States work law which ensures the privilege of private part employees to sort out into worker's guilds, participate in aggregate haggling, and make aggregate move, for example, strikes.

Congress sanctioned the National Labor Relations Act ("NLRA") in 1935 to secure the privileges of representatives and bosses, to energize aggregate dealing, and to shorten certain private area work and the executives rehearses, which can hurt the general government assistance of laborers, organizations and the U.S. economy.

a loan? that’s my guess, anywho.