<span>The inability to remember past events is called “</span>retrograde amnesia”, and the inability to
form new memories is called “anterograde amnesia”.
Amnesia is a shortfall in memory caused by cerebrum harm,
infection, or mental injury. Amnesia can likewise be caused incidentally by the
utilization of different tranquilizers and sleep inducing drugs. The memory can
be either entirely or incompletely lost because of the degree of harm that was
caused.
Many stereotypes are empirical generalizations with a statistical basis and thus on average tend to be true.
I hope this helped.
Unity brings people of different cast, religion, ethnic groups,etc together with the absence of conflict. For eg you can take Nepal as a country with unity and diversity. As unity brings peace and harmony it is very necessary to sustain unity among ethnic groups for maintaining harmony as well as for maintaining religious tolerance.
During World War 1 the soldiers tried to gather much information from the enemy sidelines as much as they could they would hide in plain site to create a map that would help them with their next attack.