Which conecepts is mostly associated with these movements bismarack uses blood and iron to unify germany 1864-1870?

Bismarck, a Prussian chancellor who is famous for policy of blood and iron which was the part of his foreign diplomatic policy acts as statement given in parliament to raise the budget for military expenditure which could lead to unification of Germany territories under Prussian control because the parliamentary representative denied the allocation of funds to raise Military Expenses which is most important wing for unification. However, after the Danish War and Franco Prussian War Bismarck completed unification of Germany.

if interdependence implies a two-way dependence, and if each partner is equally dependent on the other for success, then there is an equal commitment to the making the partnership successful. the advantage is sustainability of the relationship, the disadvantage is that decisions are "democratic" and therefore may take longer to reach and more likely to be a compromise (which is not always the best solution). as the interdependence moves away from equality, the decisions become more influenced by the more independent partner. in the extreme the relationship becomes more dictatorial and more like "master-slave". generally the relationship has less commitment in both directions and is more likely to be temporary.

if one generalizes (and one shouldn't), equity partnerships, which is probably what is implied by interdependence, can be slow to progress or change but durable. the extreme alternative, independent-dependent partnerships tend to be efficient but more fragile.

hope this but you will have to site your own evidence. : )