By 3400 BCE, the Sahara was as dry as it is today, due to reduced precipitation and higher temperatures resulting from a shift in the Earth's orbit. As a result of this aridification, it became a largely impenetrable barrier to humans, with the remaining settlements mainly being concentrated around the numerous oases that dot the landscape. Little trade or commerce is known to have passed through the interior in subsequent periods, the only major exception being the Nile Valley. The Nile, however, was impassable at several cataracts, making trade and contact by boat difficult.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What caused the shift in the earth's orbit?
Ah, so.. unanswerable

The principal fighting occurred between the Bolshevik Red Army and the forces of the White Army. Many foreign armies warred against the Red Army, notably the Allied Forces, yet many volunteer foreigners fought in both sides of the Russian Civil War. Other nationalist and regional political groups also participated in the war, including the Ukrainian nationalist Green Army, the Ukrainian anarchist Black Army and Black Guards, and warlords such as Ungern von Sternberg. The most intense fighting took place from 1918 to 1920. Major military operations ended on 25 October 1922 when the Red Army occupied Vladivostok, previously held by the Provisional Priamur Government. The last enclave of the White Forces was the Ayano-Maysky District on the Pacific coast. The majority of the fighting ended in 1920 with the defeat of General Pyotr Wrangel in the Crimea, but a notable resistance in certain areas continued until 1923 (e.g., Kronstadt Uprising, Tambov Rebellion, Basmachi Revolt, and the final resistance of the White movement in the Far East).
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): In what time period did the most brutal battles occur?
Ah, so.. 1918 to 1920

Saint Barthelemy was for many years a French commune forming part of Guadeloupe, which is an overseas region and department of France. Through a referendum in 2003, island residents sought separation from the administrative jurisdiction of Guadeloupe, and it was finally accomplished in 2007. The island of Saint Barthelemy became an Overseas Collectivity (COM). A governing territorial council was elected for its administration, which has provided the island with a certain degree of autonomy. The Hotel de Ville, which was the town hall, is now the Hotel de la Collectivite. A senator represents the island in Paris. St. Barthelemy has retained its free port status.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): In what year was the French commune forming part of Guadeloupe established?
Ah, so..
unanswerable