D.
memor-
able
The word 'memorable' is derived from two words, which are 'memory' and 'able'.
Answer:
The leadership from the first 5 presidents impacted the nation during the New Republic Era in 1789-1820.
Explanation:
Youth is happy, because it has the ability to see beauty.
Kind of like you if your a young kid who sees potential in others around you.
~Franz Kafka
Subject + (HAD) + past participle + object