B.68.5×10^-8 is the only possible answer
The "Emancipation Manifesto" set serfs free and gave them land. The correct option among all the options that are given in the question is the third option. This manifesto was issued by Alexander and it contained 17 legislative acts that actually freed the serfs and provided them with lands. This gave the peasants the right to buy lands from their landlords.
D. Building their own roads from stone and clay
Answer:
I would say the second one.
Explanation:
If both put up wall neither of them can trade goods and that can start a war between both nations until the resolve it by needing eachother goods.