Serfdom, condition in medieval Europe in which a tendency farmer was bound to a hereditary plot of land and to the will of his landlord. The vast majority of serfs in medieval Europe obtained their subsistence by cultivating a plot of land that was owned by a lord.
A) The assassination of the heir to the Austrian throne. hope
it works
City planners do all of the above mentioned statements. Urban planners<span> develop plans and programs for the use of land for towns, </span>cities<span>, counties and regions, while taking into account environmental, zoning and legal issues. They often present reports to government officials and the public about land-use projects. They also know how to build cities from scratch.</span>
It took 10 years to build the panama canal :)
Explanation:
supplies soldiers and warship
