Answer:
Fighting against Romans and barbarians alike, he extended the Frankish Kingdom and consolidated its power by conquering Gaul and unifying it under the rule of his Merovingian Dynasty; his descendants would rule much of Gaul for the next 200 year.
Explanation:
In colonial America, Africans "contributed" to society by being a source of income for people who bought and sold them into slavery. They also contributed by being laborers in the southern plantations.
Women contributed to the society by being a house wives --meaning they took care of the house-- as well as cooking meals for the family and taking care of the children.
Native Americans, in the earlier days, contributed by trading with settlers and teaching them how to do things in their environment.
(Sorry I really don't know what the children did)
A. they became more expensive because they used technology
Simply put, by coercion.
There was a very simple process that followed:
(1) the Red Army invades the countries, on the pretext of "liberating" them - this gives a plausible veneer to a treacherous end;
(2) whilst occupying, Soviet commissars would prop up the local communist party (typically, enjoying only minimal support from the country's population, unless also nationalist) - this is so as to have a puppet regime-in-waiting;
(3) under Soviet occupation, typically some sort of a "referendum" or "plebiscite" will be held, at which SUDDENLY the voters will "decide" to abolish the previous constitution and to enact one that practically gives sole powers to the local communists - this is to give the effective coup d'etat a veneer of legitimacy;
(4) once installed in power, the communist party will effectively take over the machinery of state by staffing all key posts with its members;
(5) through the use of secret police and kangaroo courts, opposition, incl. those of the original governing class who did not have the good sense to escape, will be physically eliminated, sentenced to long prison terms, exiled, otherwise incarcerated;
(6) a the takeover of the state is usually followed by a takeover, through nationalisation or outright confiscation, of the economy, giving the regime financial muscle;
<span>(7) the established position will be upheld by the same means it was acquired and with unparalleled degree of ruthlessness, with the country taken over being treated as a wholly-owned subsidiary of Kremlin Holdings.</span>