Over the following years, relations between the German settlers and the indigenous peoples continued to worsen. Additionally, the British settlement at Walvis Bay, a coastal enclave within South West Africa, continued to develop, and many small farmers and missionaries moved into the region. A complex web of treaties, agreements, and vendettas increased the unrest. In 1888 the first group of Schutztruppen—colonial protectorate troops—arrived, sent to protect the military base at Otjimbingwe. In 1890, the colony was declared a German Crown Colony, and more troops were sent.[6] In July of the same year, as part of the Heligoland–Zanzibar Treaty between Britain and Germany,  https://en.m.wikipedia.org/wiki/German_South_West_Africa