According to your course material, which of the following were results of the expansion of railroad networks in the Gilded Age? [Select all that apply.] According to your course material, which of the following were results of the expansion of railroad networks in the Gilded Age? [Select all that apply.] Train equipment remained unstandardized. Cultural changes occurred, especially in the conceptualization of time. A cheaper and faster alternative of transportation developed, saving companies money. The first modern corporations were formed