<span>The Crusades introduced Europeans to new goods and ideas.
Marco polo contributed to trade by spending 20 years traveling Asia.</span>
Answer:
Students of USA in grades 6–8
Explanation:
1st place the Iranian Revolution, 2nd place The siege of Leningrad, 3rd place Civil rights activist in Mississippi in the 1960s All were interviews with either people they researched or were related to. The second prize was someone their family knew and was about growing up in the 60's.