Add punctuation: Access a panEuropean sales channel
A: Access a pan-European sales channel

Add punctuation: The democrats will either work directly towards a federated republic or at least if they cannot avoid the one and indivisible republic they will attempt to paralyze the central government by granting the municipalities and provinces the greatest possible autonomy and independence
A: The democrats will either work directly towards a federated republic, or at least, if they cannot avoid the one and indivisible republic they will attempt to paralyze the central government by granting the municipalities and provinces the greatest possible autonomy and independence.

Add punctuation: He said that academician V N Vinogradov should be put in chains and that another one of the alleged plotters should be beaten
A:
He said that academician [V. N. ] Vinogradov should be put in chains, and that another one [of the alleged plotters] should be beaten.