What problems came about in newly created countries, such as Czechoslovakia, after the end of World War I?(1 point) Responses The United States refused to recognize these new independent countries.
Countries struggled without a powerful ally, such as Austria-Hungary.
New boundaries often split up ethnic groups, which caused tensions
They were bullied into unequal trade deals by their former ruling countries.
Countries struggled without a powerful ally, such as Austria-Hungary.
New boundaries often split up ethnic groups, which caused tensions.