Answer:
steyver call carton Memory
George Washington was the first President
As a young man, foster was a bookkeeper at his brother’s steamship company
The correct answer is -a root word, where -un is a prefix. Suffix is used after the stem of a word, and prefix is used before the stem. They both belong to the category of affixes. Some other examples might be ‘uncertain’ , ‘unrealistic’ , ‘unfit’ and so on.