This book tells how the imperialists of Germany, England, the USA and France, hiding behind slogans about "help," invaded Latvia, suppressed Soviet power and turned Latvia into virtually their colony. The book contains a lot of new data confirming the leading role of the American imperialists in organizing the intervention in the Land of the Soviets. The author used extensive documentary material (archive of the Ministry of Foreign Affairs of bourgeois Latvia, documents of foreign policy of the USA and England, etc.