What groups of people led the hatian revolution

How would lincoln's assassination change the direction of reconstruction? the radicals used this opportunity to take control of the plans. the south refused to cooperate with any plans after lincoln his death would put an end to all reconstruction plans. lincoln was too weak to carry out his plan and now it could be carried out.

What notable contributions to science has sandia national labs (snl) produced over the years?

What were some effects in world war 1 in europe ? ( and only in europe)