Question 13 (10 points) This is a diagram of the early Internet. It was called ARPANET, shown here in 1973. Were there any bridges in 1973? If so, list one. LLL LBL SRI UTAH AMESO AMES XEROX TYMSHARE HAWAII FNWC STANFORD UCSB UCLA UCSD SDC RAND USC USC-ISI Paragraph DOCB GWC B I U LINCOLN MIT-IPC RADC MIT-MAC CASE BBN BBN CARNEGIE HARVARD ILLINOIS ABERDEEN BELVOIR NORSAR SDACO MITREO ONBS ARPA DETAC LONDON lili > RML + ...