Gold mines, families from the Eastern states traveled across the country for gold.
<span>The Union’s control of the Mississippi River hurt the Confederacy’s ability to supply its troops. The correct option among all the options that are given in the question is the first option or option "A". The other choices can be easily neglected. i hope that this is the answer that has actually come to your great help.</span>
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.
C) united states, Britain and ussr
