Have the countries' internal boundaries played a role in the response to the Covid-19 epidemic? What does the coronavirus crisis tell us about the sometimes strained relationship between national and regional/federal governments? This collective loock at the short- and medium term impact of the COVID-19 crisis on relations between central and regional governments.

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.