Match the following items.

1. an instrument which sailors to find their location by looking at the stars and sun
muslim
2. people who went on the crusades
manor
3. the social, economic, and political system of europe in the middle ages
crusader
4. a large estate or farm, part of which was set aside for the lord and the rest divided among his peasants
feudal system
5. the period in european history between ancient and modern times, from about a. d. 500 to about 1500
astrolabe
6. a believer in the religion of islam; a follower of mohammed
middle ages
7. a peasant in the feudal system midway between a freeman and a slave
serf

1.An astrolabe was  an instrument which helped sailors to find their location by looking at the stars and sun  

2. Crusaders were people who went on the Crusades  

3. The feudal system was  the social, economic, and political system of Europe in the Middle Ages  

4. A manor was a large estate or farm, part of which was set aside for the lord and the rest divided among his peasants  

5. The Middle Ages was the period in European history between ancient and modern times, from about A.D. 500 to about 1500  

6. A Muslim is a believer in the religion of Islam; a follower of Mohammed  

7. A serf was a peasant in the feudal system midway between a freeman and a slave  

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.