questions re praxeology of world-system change

How do others think about the following two observations? I find them
interesting in the context of a praxeology of world-system change. (1) On
the subject of avant-garde of change -- there seems to be a stratum (I
hesitate to say "class" for obvious reasons) which is highly aware, highly
articulate, highly active, and highly motivated to bring about world-system
change -- they have computer access, most are in core countries and are
activist and/or academic types. Could this be "the" avant-garde of
world-system change? (Older theories of the avant-garde would have to be
modernized accordingly.) (2) On the subject of nonviolence -- the Communist
party of Italy has de facto only engaged in nonviolent activities for the
last half century or so, the same holds for other leftist parties of red or
green complexion in core countries. A major exception were the raf groups in
western Europe in the seventies who were violent (and mostly wiped out).
This suggests that the overwhelming majority of leftists of many stripes in
the core countries have "voted with their de facto behaviour" in favour of
nonviolence as a strategic principle for world-system change. (3) These
observations  say nothing about the semi-periphery or periphery countries
and are very limited. Nevertheless, what could be said about these items?

Gert Kohler
Oakville, Canada