This collective work offers a historical approach to the issue of voters' mobilisation and
through case studies aims to expand the fi eld's research agenda by taking into account less
familiar mobilising strategies from various groups or parties both in Britain and the United
States. Two different yet complementary approaches are used one from the top down with
political parties the other from the bottom up with grassroots organisations to analyze how
these groups either (re-)connect citizens with politics or give birth to social movements which
durably occupy and change the political landscape of the United States and Britain.
