Many things - Watch over them, ensure their safety, marry one of them if you so desire, experience the joy of them raising your children, etc.
The proposed legislation, which provides a tax credit, and effectively ends many state prohibitions on rifles, does not require people to take advantage of the tax credit, or purchase a firearm. Nor does it, at this time, apply to women, since they are not presently subject to Selective Service registration.
The second “Whereas” states intent that this apply to all citizens, women and post-draft-age included (minors & adjudicated felons/incompetents later excluded), on the grounds that _anyone_ may unpredictably find themselves in need of such equipment & familiarity. Just because we think someone won’t need an M4 doesn’t mean they won’t ever find existential need for one, and not our place to interfere with their ability to have one.
The first “Whereas” does make the point that many citizens ARE legally obligated to armed service, and that equipping/training them just before sending them into battle (and punishing any attempt to before that point) is cruel & stupid.