| Joan of Arc's primary effect on the Hundred Years' War was
her use of witchcraft to defeat the English.
her ability to formulate and execute a long term strategy.
the popular support she generated for the king.
the qualms English soldiers had about fighting a saint.

Considering the case of the two health clinics above, why do you think that trouble was brewing? there was serious competition for tech jobs at the downtown clinic. the new technology at the uptown clinic was too difficult for the staff to understand. the doctors pitted the staff of one clinic against the staff at other clinic. the staff at the downtown clinic saw that their colleagues at the uptown clinic were treated better and had more opportunity.