Original sentence: moved to Talk
Edited sentence: In both cases, improved communications and many-to-many networking technology combined with grassroots struggles for basic human rights in contributing to major political changes, which initially seemed minor, but in fact were very deep-rooted.The changes in the USSR occurred most dramatically during the 1980s, with the most dramatic event being the destruction of the Berlin Wall, while the changes in the USA occurred during the 2000s, with notable events being the grassroots democratic protests against the World Trade Organisation meeting in the Battle of Seattle in Dec 1999, and the crime against humanity which occurred on 11 September 2001 in New York and sparked off vast, irrational overreactions by the government leading to anger and popular pressure for regime change.The two superpowers of the second half of the 20th century, the USSR and the USA underwent tremendous political change during the decades before and after the turn of the century (2000)