Roman wars and expansion
Roman Wars Project Sources (of course, you can find your own)
UNRV Roman History timeline of wars with links
http://www.unrv.com/empire/roman-timeline-2nd-century.php
The Latin League
http://www.unrv.com/empire/conquest-of-italy.php
Levels of alliances
http://www.unrv.com/empire/latin-revolt.php
Sulla
http://www.unrv.com/empire/lucius-cornelius-sulla.php
Teutoburg Forest