Researchers have ridden alongside motorcycle enthusiasts to understand the relationship between riders and their beloved Harley-Davidsons. This is an example of research.

ethnographic research

Explanation:

Ethnographic research commonly known as ethnography is a qualitative type of research that involves  researchers interacting and/or observing the participants involved in a study in their natural social system. Ethnographic research gives a clear and descriptive account of the culture and social life in a defined social system based several observations on what the study participants do in their natural environment being observed.

a) they had recently endured the tyranny of the british king, parliament, and its royal