1) Along what waterway did Abraham begin his migration away from his native city?

2)how did Canaan's location make it a true crossroad of the eastern Mediterranean?

2 answers

For #1 ~
http://www.israel-a-history-of.com/images/AbrahamFromUrToCanaan.jpg
and
http://www.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/f/fe/Karte_Mesopotamien.png&imgrefurl=http://en.wikipedia.org/wiki/Mesopotamia&h=795&w=1126&sz=958&tbnid=-LYe3de-A5AzRM:&tbnh=90&tbnw=127&zoom=1&usg=__pNrXT8CQT_KO-pDfuYuNKVHnA68=&docid=nBlMh6Dyr3neFM&sa=X&ei=xeliUoCxPMPz2QWcnoHwCw&sqi=2&ved=0CEIQ9QEwBA

For #2 ~
http://www.pbs.org/wgbh/globalconnections/mideast/themes/geography/
What does the last is commandments have in common that nguishes them from the four others