Sometimes, things happen that offset the initial effect of a decision. These things are kinds of unintended consequences.
A. Chronological is in order
If a poem is dedicated to the praise of a single subject, it would suggest it is an ode.
There are many odes dedicated to worthy heroes, but also to regular objects - Keats once wrote a poem titled An Ode to a Grecian Urn.
Explanation:
they built a wall to avoid soil being washed away
