What caused the chernobyl core to explode?

Reactor design flaws.

Reactor breach flaws.

Explanation:

The reactor #4 had a disastrous  power increase which led to explosions  in its core.

The extreme power increase made the reactor cause super heated water to turn into steam instantly.Which then the built up steam caused a destructive steam explosion, causing graphite fires which are still burning to this day after 33 years.

d

step-by-step explanation:

look at the x and y axis

men and women were able to be citizens, but women did not have all of the rights of men including voting and holding office. slaves could be if they were freed.