What is the author's ,begin emphasis,primary,end emphasis, argument for why the Equal Rights Amendment is necessary?

Answer options with 4 options
1.
Society's understanding of psychology and physiology is outdated.

2.
The Justice Department needs to expand its powers to be more effective.

3.
The Justice Department investigates only cases based on racial discrimination.

4.
Current laws exclude many women from protections and are not strong enough.

4. Current laws exclude many women from protections and are not strong enough.