Answer:
Cambrian
Explanation:
The earliest ancestors of about half of all extant animal phyla can be traced back to the CAMBRIAN explosion.
I think the mexican war where we took land from the mexico or the illiouisiana purchase
The focus was to fight for political and legal equality between the sexes. The axis that marked this first period of feminist activity was the claim for equal rights of citizenship (right to education, property and possessions of property, divorce, etc.), having as main point the suffragist fight for the right to the feminine vote, that happened in several countries in the world.
1- The Soviet forces constructed
the Berlin Wall to prevent the
escape of East Germans into
West Germany.
2- US president Ronald Reagan
delivered a famous speech
challenging Soviet leader
Mikhail Gorbachev to tear
down the Berlin Wall.
3- Newly independent Hungary
opened its border with Austria.
4- East German leaders gave
orders to open the gates
of the Berlin Wall.
5- The representatives of East
and West Germany signed
the Reunification Treaty.
That is the PLATO answer