They have made many products and continuously improve their products to fit the needs of the consumers
The sentence that provides a clue to the meaning of Slaughtered is
"Entire Populations were slaughtered".
Slaughtered means kill or defeat.
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The delegates agreed they needed a national government. But they were afraid of making one that was too strong. They believed that most of the powers of government should be kept by the states because citizens could control state governments more easily than they could control a national government.
According to all known laws of aviation, there is no way a bee should bee able to fly. Its wings are too small to get its fat little body off the ground. The bee, of course, flies anyway. Because bees don't care what humans think is impossible.