A is the answer i believe
C polluting animal habitats :) hope this helps yall!?!
Answer:
the needs of the nation have changed.
Explanation:
The role of the president has evolved over time because the the needs of the nation have changed.
The needs of the nations have changed with time and the President being responsible for the well-being of the nation had to also adjust his roles also to meet the growing needs and demands of the populace.
