The correct answer is confederacies
Answer:
Let the land lie fallow for a season.
Explanation:
Plants use soil nutrients in their metabolic processes, but these nutrients are not eternal, so as the plant consumes nutrients from the soil, the stock of these nutrients will decrease, so it is necessary to let the soil "rest" for a while, so you can restore nutrient levels.
One way to do this is to use the agricultural technique called "Landing," which is the method of planting that divides the land into three parts: two cultivated parts and one at rest. The rest part remains without planting for the recovery of its nutrients for about a season. Then there is a relay between the areas.
Native tribes made advancements in farming and medicine before Europeans arrived.
Answer:
The decline of the silk road route
Explanation:
