Were mostly similar, but they had different strategies to maintain them
Explanation:
The land-based empires as the Russian and Qing states were large and had wealth, the problem with the maritime European empires was that they began to grow exponentially, soon their armies were modernized and created conflicts with said empires, the Russian empire modernized on time, seeing its European neighbors growing and gaining power, but the Qing empire failed to see what was coming, and tried to act when it was too late.
I'm literally learning this now in APUSH. In 1914 which is the era of the gilded age people were dependent on railroads and oil. Thanks to help from Carnegie (and the other 4 men) (around 1914) and steel, the US economy rose back from its divided chaos.