Apparently they seek to lower the cost of dominating our markets while keeping a tight leash on a rudderless debtor and efficiently extracting benefits/wealth from Chinese properties (and powerful traitors) in the USA.
Maybe you 2x Obama voters didn't expect hopenchange to include being sold into economic slavery, yet here we are... thanks, idiots!
The (currently 51-mile) waterway has separated North America from Asia since the end of the last Ice Age, over 7000 years ago, and is only 180ft at its deepest- so that's a plus. Yet weather is obviously a problem, making maintenance and construction of any project only practical in the summer months.
They also expect benefits deriving from the subsequent economic development of hinterland Siberia and interior Alaska, which offer vast natural resources... much as the railroads opened-up the American west in the late 19th century.
But it's hard not to feel like the walls are closing-in: our trade relationship with China is laughably lopsided by any measure -we owe them tons of money- and they're snapping up US real estate like it's going out of style. And these days, they pretty much own our government, too...