We need to understand the past so that we might better assess the: challenges of the past and the present challenges of the present and the future opportunities of the present and the future opportunities of the past and the present ASAP

challenges of the present and the future  

Explanation:

It is important that we study the past so that it is possible to achieve a better future and to be able to understand and pass through the present in a satisfactory way. This is because the past is able to show us the mistakes and successes of our society, showing us what created the challenges we face in the present and guiding us on the way to overcome these challenges, now and in the future, because we know that the challenges of future will be the result of what we learn in the present with the study of the past.

1. between 1754 and 1763

2. a land bridge between siberia and alaska that was exposed during the most recent ice age when the waters of the bering strait receded.

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the answer is false.