they were captured and recaptured for 20 years
I really don't know...
But... To find this answer search on Google
The positive experiments of immigrants.
It's <u>C: The building were tottering</u>.
<em>Explanation:</em>
In the text, it says "The buildings round us were already tottering. . . . This finally decided us to leave the town." Meaning that the buildings tottering convinced them to leave. :-)
