Amazon rubber boom the expansion of Iquitos in Peru. The rubber boom occurred largely between 1879 and 1912. There was heightened rubber production and associated activities from 1942 to 1945 during the Second World War. Natural rubber is an elastomer, also known as tree gum, India rubber, and "caoutchouc," which comes from the rubber tree in tropical regions. Christopher Columbus was the one of the first Europeans to bring news of this odd substance back to Europe, but he was not the only one to report it. Around 1736, a French astronomer recalled how Amerindians used rubber to waterproof shoes and cloaks. He
Substance Church campus. In 2015 and 2016, after numerous re-locations, Substance acquired permanent facilities in Spring Lake Park and the Historic Wesley building in downtown Minneapolis. Numerous publications have called it one of the most youthful megachurches in the country with over 70% of its members under 30 years old. Substance is known for its ultra-contemporary approaches to worship utilizing turn-tables, rap, and other forms of media. They have produced dozens of music videos and album projects for their two nationally known worship bands, Substance Input-Output and their EDM DJ band, Substance Variant. Their progressive approach to church methodology applies not only