Quakers, virginians, small farms, tobacco,corn and livestock
Castes in Indian society refer to a social group where membership is decided by birth. Members of such local groups are endogamous, i.e. they tend to enter into marital relationships among themselves. They often have related political preferences.
21 hours in a week typically
I think the word you're looking for is "hypothesis".
For example, a hypothesis could be "dogs drink more often when owners are present".
And then this can be proven (or dis-proven) by an observation (or in this case rather: measurement).
<span>Native Mayan People
leave a thanks if this helps</span>