The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The groups of invaders that made the most limited incursions in the Roman Empire were the Franks.
The Franks were one of the Germanic tribes that tried to incursion the Roman Empire territories. As it is said above, the Franks were not a tribe that repeatedly invaded the Roman Empire territory, but indeed had some incursions.
The Franks inhabited the territories of the Lower Rhine and some others lived next to the Ems River. They were known to be fierce warriors and determined people that invaded some other regions as was the case of modern-day Belgium and the North of France.
I believe that Congress could declare war, (though states could, ahem, not draft soldiers), could sign treaties and trade agreements
yea, i think that's it, since there are much more weaknesses to the Articles of Confederation than strengths....
B. Started to explore history though the perspectives of many different groups.
Detroit because of the riots they had
I would say Executive Orders. This is due to a Supreme Court ruling...not necessarily constitutional in any clause.
