sentence: However , history can not be rewritten and as things stand the Fall of the Berlin Wall actively contributed to the resurgence of hope and struggle in the rest of the Eastern Bloc . As such , it was the catalyst that led to the end of the Cold War and , therefore , though we may not always remember the other significant events , we will always remember the day the wall fell .
modified: However , history can not be rewritten and as things stand the Fall of the Berlin Wall actively contributed to the resurgence of hope and struggle in the rest of the Eastern Bloc -- As such , it was the catalyst force that led to the end of the Cold War and therefore , though we may not always remember the other significant events , we will always remember the day the wall fell --
transformation: PUNCT, NOUN, PUNCT, PUNCT