Answer:
The answers are: The eave my ancestors built on the roof is the best legacy they could make to protect my house from rainwater.
Step-by-step explanation:
The eaves of the roof is a very important part of the roof of a house because it prevents the rainwater that flows over the tiles from dripping down the walls.
The legacy is a particular form of succession, whereby a deceased person leaves a concrete good or right, or a set of singular assets or rights to one or more persons.
The answers are: The eave my ancestors built on the roof is the best legacy they could make to protect my house from rainwater.