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.