Can someone help me with this one

What does the man of the left represent? what does the men on the right represent? why is there a hat on central and south america?

What makes this speech a primary source? o a. the words are spoken by the president himself. o b. it uses narrative to keep the reader's attention. o c. it was written over 70 years in the past. o d. it contains a strong historical argument.

Round arches allowed the romans to create structures with