This would be C. 1830- Baltimore and Ohio Railroad :)
In 1859 50% of the nations wealth, stocks, bonds, land, cash was in slaves owned by southerners. They lost everything. The north pay less on the south slavery was not finish and they where trying to go to the north for better jobs and freedom the south had force slaves to work.
Hope this helps :)
The golden pillars were used a long time ago
The best answer is, by sending troops to protect their interests.
Western rulers were skeptical of forming alliances with their Muslim counterparts, and as a result, sought protection of themselves and their assets from within their own resources and by means of trained military personnel. This influx of western military forces caused tension among the Muslim regions and various leaders but was successful in securing the interests of the Western leaders.