Right, but four years later was definitely caused by the problem of (and shenanigans around) financing the original construction. Even if you want to say that

Right, but four years later was definitely caused by the problem of (and shenanigans around) financing the original construction. Even if you want to say that 1893 was too late to be relevant, 1873 wasn't. It was the problem of financing the original construction that damaged the entire US economy.