The decembrists wanted to establish "a constitutional monarchy"
They were against serfdom that was in Russia then and wanted a liberal and a democratic way of ruling. Although they were defeated, their ideas remained and soon serfdom was indeed abolished.
The correct answers are:
D. All of the above;
The versatility of the soil types and their properties in different regions is a result of multiple factors, including the climate of the place, the amount of rainfall, the topography of the area, as well as the organisms that live there. All of them have contribute in their own unique ways to the soil formation, and what kind of soil it will be.
B. Fragile;
The permafrost soil, also known as gelisol, is a soil type that is very fragile. This type of soil is very thin, it has almost no natural protection, the humus layer is is in the top couple of mm, and it is easily eroded. The slightest disturbance in its surroundings will mean the end of this soil type very quickly.
Supplies were carried almost entirely by human porters, with some use also being made of bicycles, elephants, and pack horses. When a Transportation Group first worked on the trail during the summer of 1959, the Trail passed south through the western portion of the Special Zone, crossed the between North and South Vietnam at the Ben Hai River and continued through the rugged mountains of western provinces in South Vietnam.
No I don’t think that von thuunen model is viable