<em>Answer:</em>
<em>dyad </em>
<em>Explanation:</em>
<em>In sociology, </em><em>a dyad group is described as a group that contains only two member or people and is considered as the smallest social group that is being possible so far. However, according to many sociologists, the pair of individuals who are involved in a dyad group is said to be linked through "romantic interest, work, partners in crime, family relations, some other interests, and so on".</em>
<em>As per the question, the statement signifies a dyad group. </em>
I am not too sure whether the question calls for some specific answers, but I know two things that the Hindus believe in and the Sihks don't, and I think they will fill in the spaces nicely:
1) rituals
2) Gods! - Hinduism is a polytheistic religion and Sikhism monotheistic.
It made shipping goods difficult