The ERA is much like the proposed Child Labor Amendment. In theory, it would desirable, but in practice I fail to see where it is needed. What exactly would passage of an ERA do that isn't already being done (or least is doable by Congress if it chooses to act)? I can't think of anything.
Perhaps
this can answer some of your questions.
Like the proposed
Right to Vote Amendment, it would make explicit and enshrined into the Constitution protections that cannot be rolled back with the turning of the political tide, or made subject to the whims of politicians.
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And to answer the question of this thread, I am resigned to the fact that Republicans are likely to hold on to at least one house of Congress (as well as a majority of state legislatures, particularly in the South) for generations to come. I am under no delusions -the vast majority of what I want to have accomplished (including the passage of the Equal Rights and Right to Vote amendments) will not be.