The Louisiana Purchase. As the United States spread across the Appalachians, the Mississippi River became an increasingly important conduit for the produce of Americaâs West (which at that time referred to the land between the Appalachians and the Mississippi).
In the inland, storm winds (more than 15 m/s) are rare, occurring only a few times a year, while on the coast and islands of the open seas the frequency of storm winds reaches 30â45 days/year. Estonia is located in a region of humid climate, where the amount of precipitation exceeds the total evaporation. The annual average of the relative air humidity is 80â83%. It is higher in winter and at its lowest in May, being 70% on average. The annual average precipitation varies between 550 and 800 mm.
The national flag of Estonia is a horizontal tricolor of blue (top), black (middle), and white (bottom).The colors used in the flag give a clear picture of the history, customs, and lifestyle of the land and people of Estonia.hite is the traditional color of peace and represents the yearning of the countrymen for unity, solidarity, enlightenment, and noble qualities of freedom and commitment to work. The current Estonian flag was adopted on November 21, 1918, following the declaration of the country's independence from Russia.