The dreariness of the speaker's life away from Innisfree
-Gradpoint confirmed
They have different states and so does the U.S.
The answer is rapid population growth, urbanization, industrialization.
It can't be B or C.. or D so try A. Plant succession <span>is the process of change in the species structure of an </span>ecological<span> community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.</span>