I believe that the answer is b, because he is a German engineer and the process was named the Siemens-martin process
2: lineage
groups
<span>
Lineage
groups served as the building block as of the African society. This is where
the group can declare their descendants, which has a common ancestry wither
real or imaginary. They could verify their ancestry through the use of lineage
groups and a sense of belongingness, hereafter. These were also the basis of
formation of linear groups which the cohesion of the different extended family elements.
</span>
Im pretty sure its desserts
<span>The collection of nations is called League of Nations.
The league of nations is founded in </span><span>10 January 1920 as the result of the Paris Conferene that ended the first world war.
The main purpose of the organization is to maintain peace and to solve international disputes using negotiation rather than millitary approach.</span>
