What is the meaning of nation under God?

It means A specific nation/part of land believes in god and trusts him

Explanation:

This is because you know nation is like a part of land and under god is like god carries you and you are protected.

The Establishment Clause of the firsts amendment says the government must remain neutral in religious matters. Keeping "under God" in the pledge means that the government endorses religion as desirable.

begins a massive airlift of food, water, and medicine to the citizens of the besieged city

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.