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Not sure, but i think it is to scare Omovo and keep him in the house, where he will be safe from the horrors of the war.
omovo , overcome with delirium , began to tell his father what he had seen. But his father , smiling apologetically at the soldiers , picked up his son and carried him to bed.
Every day for seven days Omovo saw a veiled woman walk by his house at the sane time each day.
"As if an eclipse will stop this war."See related link for a plot summary.