"<span>the assassination of Archduke Franz Ferdinand" is thought to be the spark that lit the powder-keg </span>of war at the beginning of the 20th century. A dense web of alliances was set off from this shooting.
Horizontal Integration is the process of a company increasing production of goods or services at the same part of the supply chain.
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Answer and Explanation:
Russia's population density is so low because much of the land in northern Russia is uninhabitable because it is frozen tundra