❅<span><span>D. As a symbol of loyalty, nobles were given the choice of either military service or paying fee.
The option D did not occur during the reign of Henry I.
All other options happened during the time. </span></span>
there are a lot of reasons but one is new technology
Explanation:
new technology helps you look farther into a subject and deeper into a part of the world or into a new disease
It would be "d. how differently they viewed land" that was <span>often a source of conflict between Native American and Europeans, since the Europeans felt that in order to claim land, one had to use it in some way (as in farming or building homes). </span>