Mostly when youre thinking of it, it's present tense while also being future tense as well, could, meaning in the present. For example, "I could do that". More than likely your sentence is in the present
She was of necessity running a grass roots campaign...her target audience was unlettered
I’m not sure what context this is in, but women is a group of females who are generally adults and aviation is to do with flying. Hope this helps.
Explanation:
to distribute something over a wide area or place
This should be in a different section not world languages